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152124265 = 530424853
BaseRepresentation
bin10010001000100…
…11101101101001
3101121020201021001
421010103231221
5302420434030
623032315001
73525014656
oct1104235551
9347221231
10152124265
1178963237
1242b42a61
1325693a77
14162bcc2d
15d54dcca
hex9113b69

152124265 has 4 divisors (see below), whose sum is σ = 182549124. Its totient is φ = 121699408.

The previous prime is 152124253. The next prime is 152124293. The reversal of 152124265 is 562421251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117679104 + 34445161 = 10848^2 + 5869^2 .

It is a cyclic number.

It is not a de Polignac number, because 152124265 - 25 = 152124233 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 15212422 + ... + 15212431.

It is an arithmetic number, because the mean of its divisors is an integer number (45637281).

Almost surely, 2152124265 is an apocalyptic number.

It is an amenable number.

152124265 is a deficient number, since it is larger than the sum of its proper divisors (30424859).

152124265 is an equidigital number, since it uses as much as digits as its factorization.

152124265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30424858.

The product of its digits is 4800, while the sum is 28.

The square root of 152124265 is about 12333.8665875710. The cubic root of 152124265 is about 533.8257238717.

The spelling of 152124265 in words is "one hundred fifty-two million, one hundred twenty-four thousand, two hundred sixty-five".

Divisors: 1 5 30424853 152124265