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157275012 = 223233715401
BaseRepresentation
bin10010101111111…
…01001110000100
3101221221101202110
421113331032010
5310230300022
623334541020
73616546506
oct1127751604
9357841673
10157275012
1180861054
1244807770
132677834b
1416c5dd76
15dc1a00c
hex95fd384

157275012 has 48 divisors (see below), whose sum is σ = 393305472. Its totient is φ = 48787200.

The previous prime is 157274977. The next prime is 157275029. The reversal of 157275012 is 210572751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2512 + ... + 17912.

It is an arithmetic number, because the mean of its divisors is an integer number (8193864).

Almost surely, 2157275012 is an apocalyptic number.

157275012 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 157275012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196652736).

157275012 is an abundant number, since it is smaller than the sum of its proper divisors (236030460).

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

157275012 is a wasteful number, since it uses less digits than its factorization.

157275012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15468 (or 15466 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 157275012 is about 12540.9334580804. The cubic root of 157275012 is about 539.7838778485.

The spelling of 157275012 in words is "one hundred fifty-seven million, two hundred seventy-five thousand, twelve".

Divisors: 1 2 3 4 6 12 23 37 46 69 74 92 111 138 148 222 276 444 851 1702 2553 3404 5106 10212 15401 30802 46203 61604 92406 184812 354223 569837 708446 1062669 1139674 1416892 1709511 2125338 2279348 3419022 4250676 6838044 13106251 26212502 39318753 52425004 78637506 157275012