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120377920 = 26513191523
BaseRepresentation
bin1110010110011…
…01001001000000
322101111211110111
413023031021000
5221304043140
615540041104
72661124015
oct713151100
9271454414
10120377920
1161a4a793
1234393194
131bc29c50
1411db770c
15a87c7ea
hex72cd240

120377920 has 112 divisors (see below), whose sum is σ = 325160640. Its totient is φ = 42080256.

The previous prime is 120377911. The next prime is 120377921. The reversal of 120377920 is 29773021.

It is a super-3 number, since 3×1203779203 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120377921) 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 15 ways as a sum of consecutive naturals, for example, 78279 + ... + 79801.

It is an arithmetic number, because the mean of its divisors is an integer number (2903220).

Almost surely, 2120377920 is an apocalyptic number.

120377920 is a gapful number since it is divisible by the number (10) 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 120377920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162580320).

120377920 is an abundant number, since it is smaller than the sum of its proper divisors (204782720).

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

120377920 is a wasteful number, since it uses less digits than its factorization.

120377920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 120377920 is about 10971.6871993327. The cubic root of 120377920 is about 493.7596671717.

The spelling of 120377920 in words is "one hundred twenty million, three hundred seventy-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 64 65 76 80 95 104 130 152 160 190 208 247 260 304 320 380 416 494 520 608 760 832 988 1040 1216 1235 1520 1523 1976 2080 2470 3040 3046 3952 4160 4940 6080 6092 7615 7904 9880 12184 15230 15808 19760 19799 24368 28937 30460 39520 39598 48736 57874 60920 79040 79196 97472 98995 115748 121840 144685 158392 197990 231496 243680 289370 316784 376181 395980 462992 487360 578740 633568 752362 791960 925984 1157480 1267136 1504724 1583920 1851968 1880905 2314960 3009448 3167840 3761810 4629920 6018896 6335680 7523620 9259840 12037792 15047240 24075584 30094480 60188960 120377920