Search a number
-
+
10179972 = 22331121941
BaseRepresentation
bin100110110101…
…010110000100
3201011012022000
4212311112010
510101224342
61002105300
7152346135
oct46652604
921135260
1010179972
115823400
1234ab230
13215576a
1414cdc8c
15d6144c
hex9b5584

10179972 has 144 divisors (see below), whose sum is σ = 31281600. Its totient is φ = 2851200.

The previous prime is 10179959. The next prime is 10179973. The reversal of 10179972 is 27997101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10179973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248272 + ... + 248312.

Almost surely, 210179972 is an apocalyptic number.

10179972 is a gapful number since it is divisible by the number (12) 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 10179972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15640800).

10179972 is an abundant number, since it is smaller than the sum of its proper divisors (21101628).

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

10179972 is a wasteful number, since it uses less digits than its factorization.

10179972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 10179972 is about 3190.6068388318. The cubic root of 10179972 is about 216.7282517900.

The spelling of 10179972 in words is "ten million, one hundred seventy-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 27 33 36 38 41 44 54 57 66 76 82 99 108 114 121 123 132 164 171 198 209 228 242 246 297 342 363 369 396 418 451 484 492 513 594 627 684 726 738 779 836 902 1026 1089 1107 1188 1254 1353 1452 1476 1558 1804 1881 2052 2178 2214 2299 2337 2508 2706 3116 3267 3762 4059 4356 4428 4598 4674 4961 5412 5643 6534 6897 7011 7524 8118 8569 9196 9348 9922 11286 12177 13068 13794 14022 14883 16236 17138 19844 20691 21033 22572 24354 25707 27588 28044 29766 34276 41382 42066 44649 48708 51414 59532 62073 77121 82764 84132 89298 94259 102828 124146 133947 154242 178596 188518 231363 248292 267894 282777 308484 377036 462726 535788 565554 848331 925452 1131108 1696662 2544993 3393324 5089986 10179972