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307141956 = 22341186179
BaseRepresentation
bin10010010011101…
…001110101000100
3210101221102120000
4102103221311010
51112112020311
650251041300
710416443412
oct2223516504
9711842500
10307141956
11148412330
1286a40230
134b82b804
142cb122b2
151be70056
hex124e9d44

307141956 has 60 divisors (see below), whose sum is σ = 875933520. Its totient is φ = 93072240.

The previous prime is 307141949. The next prime is 307141969. The reversal of 307141956 is 659141703.

It is a super-2 number, since 2×3071419562 = 188672362271011872, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 307141956.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39526 + ... + 46653.

It is an arithmetic number, because the mean of its divisors is an integer number (14598892).

Almost surely, 2307141956 is an apocalyptic number.

307141956 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

307141956 is an abundant number, since it is smaller than the sum of its proper divisors (568791564).

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

307141956 is a wasteful number, since it uses less digits than its factorization.

307141956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86206 (or 86195 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 307141956 is about 17525.4659281858. The cubic root of 307141956 is about 674.7036328583.

The spelling of 307141956 in words is "three hundred seven million, one hundred forty-one thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 297 324 396 594 891 1188 1782 3564 86179 172358 258537 344716 517074 775611 947969 1034148 1551222 1895938 2326833 2843907 3102444 3791876 4653666 5687814 6980499 8531721 9307332 11375628 13960998 17063442 25595163 27921996 34126884 51190326 76785489 102380652 153570978 307141956