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152130461 = 746147143
BaseRepresentation
bin10010001000101…
…01001110011101
3101121021000202112
421010111032131
5302421133321
623032403405
73525042020
oct1104251635
9347230675
10152130461
117896795a
1242b46565
1325696832
14162c11b7
15d550a5b
hex911539d

152130461 has 8 divisors (see below), whose sum is σ = 174244224. Its totient is φ = 130111920.

The previous prime is 152130449. The next prime is 152130463. The reversal of 152130461 is 164031251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152130461 - 210 = 152129437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152130463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20345 + ... + 26798.

It is an arithmetic number, because the mean of its divisors is an integer number (21780528).

Almost surely, 2152130461 is an apocalyptic number.

It is an amenable number.

152130461 is a deficient number, since it is larger than the sum of its proper divisors (22113763).

152130461 is an equidigital number, since it uses as much as digits as its factorization.

152130461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47611.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 152130461 is about 12334.1177633425. The cubic root of 152130461 is about 533.8329713223.

The spelling of 152130461 in words is "one hundred fifty-two million, one hundred thirty thousand, four hundred sixty-one".

Divisors: 1 7 461 3227 47143 330001 21732923 152130461