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152125511 = 473236713
BaseRepresentation
bin10010001000101…
…00000001000111
3101121020202222012
421010110001013
5302421004021
623032324435
73525021416
oct1104240107
9347222865
10152125511
117896416a
1242b4371b
13256944c5
14162bd47d
15d54e35b
hex9114047

152125511 has 4 divisors (see below), whose sum is σ = 155362272. Its totient is φ = 148888752.

The previous prime is 152125487. The next prime is 152125517. The reversal of 152125511 is 115521251.

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

It is a cyclic number.

It is not a de Polignac number, because 152125511 - 214 = 152109127 is a prime.

It is a super-2 number, since 2×1521255112 = 46284342194022242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152125517) 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, 1618310 + ... + 1618403.

It is an arithmetic number, because the mean of its divisors is an integer number (38840568).

Almost surely, 2152125511 is an apocalyptic number.

152125511 is a deficient number, since it is larger than the sum of its proper divisors (3236761).

152125511 is an equidigital number, since it uses as much as digits as its factorization.

152125511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236760.

The product of its digits is 500, while the sum is 23.

The square root of 152125511 is about 12333.9170987971. The cubic root of 152125511 is about 533.8271813316.

Adding to 152125511 its reverse (115521251), we get a palindrome (267646762).

The spelling of 152125511 in words is "one hundred fifty-two million, one hundred twenty-five thousand, five hundred eleven".

Divisors: 1 47 3236713 152125511