Search a number
-
+
120833388 = 22321319107127
BaseRepresentation
bin1110011001111…
…00010101101100
322102100222020200
413030330111230
5221413132023
615553513500
72665031634
oct714742554
9272328220
10120833388
1162230a05
1234572890
131c059360
14120956c4
15a91c743
hex733c56c

120833388 has 144 divisors (see below), whose sum is σ = 352235520. Its totient is φ = 34618752.

The previous prime is 120833387. The next prime is 120833389. The reversal of 120833388 is 883338021.

It is an interprime number because it is at equal distance from previous prime (120833387) and next prime (120833389).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (120833387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 951381 + ... + 951507.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2120833388 is an apocalyptic number.

120833388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120833388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176117760).

120833388 is an abundant number, since it is smaller than the sum of its proper divisors (231402132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120833388 is a wasteful number, since it uses less digits than its factorization.

120833388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 120833388 is about 10992.4241184554. The cubic root of 120833388 is about 494.3816214458.

It can be divided in two parts, 1208 and 33388, that added together give a square (34596 = 1862).

The spelling of 120833388 in words is "one hundred twenty million, eight hundred thirty-three thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 107 114 117 127 156 171 214 228 234 247 254 321 342 381 428 468 494 508 642 684 741 762 963 988 1143 1284 1391 1482 1524 1651 1926 2033 2223 2286 2413 2782 2964 3302 3852 4066 4173 4446 4572 4826 4953 5564 6099 6604 7239 8132 8346 8892 9652 9906 12198 12519 13589 14478 14859 16692 18297 19812 21717 24396 25038 26429 27178 28956 29718 31369 36594 40767 43434 50076 52858 54356 59436 62738 73188 79287 81534 86868 94107 105716 122301 125476 158574 163068 176657 188214 237861 244602 258191 282321 317148 353314 376428 475722 489204 516382 529971 564642 706628 774573 951444 1032764 1059942 1129284 1549146 1589913 2119884 2323719 3098292 3179826 3356483 4647438 6359652 6712966 9294876 10069449 13425932 20138898 30208347 40277796 60416694 120833388