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151123530 = 23519265129
BaseRepresentation
bin10010000000111…
…11011001001010
3101112100212111210
421000133121022
5302141423110
622555033550
73513346245
oct1100373112
9345325453
10151123530
117833a388
124273b8b6
132540340c
14160dc25c
15d402520
hex901f64a

151123530 has 32 divisors (see below), whose sum is σ = 381787200. Its totient is φ = 38178432.

The previous prime is 151123529. The next prime is 151123537. The reversal of 151123530 is 35321151.

It is a junction number, because it is equal to n+sod(n) for n = 151123497 and 151123506.

It is not an unprimeable number, because it can be changed into a prime (151123537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131995 + ... + 133134.

It is an arithmetic number, because the mean of its divisors is an integer number (11930850).

Almost surely, 2151123530 is an apocalyptic number.

151123530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151123530 is an abundant number, since it is smaller than the sum of its proper divisors (230663670).

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

151123530 is a wasteful number, since it uses less digits than its factorization.

151123530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265158.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 151123530 is about 12293.2310642890. The cubic root of 151123530 is about 532.6525737059.

Adding to 151123530 its reverse (35321151), we get a palindrome (186444681).

The spelling of 151123530 in words is "one hundred fifty-one million, one hundred twenty-three thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 265129 530258 795387 1325645 1590774 2651290 3976935 5037451 7953870 10074902 15112353 25187255 30224706 50374510 75561765 151123530