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152056513 = 721722359
BaseRepresentation
bin10010001000000…
…11001011000001
3101121010021022201
421010003023001
5302411302023
623031033201
73524313310
oct1104031301
9347107281
10152056513
1178917344
1242b0b801
132566bc8b
14162a2277
15d538bad
hex91032c1

152056513 has 4 divisors (see below), whose sum is σ = 173778880. Its totient is φ = 130334148.

The previous prime is 152056501. The next prime is 152056543. The reversal of 152056513 is 315650251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 152056513 - 25 = 152056481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152056543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10861173 + ... + 10861186.

It is an arithmetic number, because the mean of its divisors is an integer number (43444720).

Almost surely, 2152056513 is an apocalyptic number.

It is an amenable number.

152056513 is a deficient number, since it is larger than the sum of its proper divisors (21722367).

152056513 is an equidigital number, since it uses as much as digits as its factorization.

152056513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21722366.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 152056513 is about 12331.1196977403. The cubic root of 152056513 is about 533.7464616292.

The spelling of 152056513 in words is "one hundred fifty-two million, fifty-six thousand, five hundred thirteen".

Divisors: 1 7 21722359 152056513