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152332313 = 721761759
BaseRepresentation
bin10010001010001…
…10100000011001
3101121122021122112
421011012200121
5302444113223
623041002105
73526542350
oct1105064031
9347567575
10152332313
1178a95581
1243023335
1325737683
1416334997
15d590778
hex9146819

152332313 has 4 divisors (see below), whose sum is σ = 174094080. Its totient is φ = 130570548.

The previous prime is 152332247. The next prime is 152332321. The reversal of 152332313 is 313233251.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313233251 = 2313618837.

It is a cyclic number.

It is not a de Polignac number, because 152332313 - 28 = 152332057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152332333) 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, 10880873 + ... + 10880886.

It is an arithmetic number, because the mean of its divisors is an integer number (43523520).

Almost surely, 2152332313 is an apocalyptic number.

It is an amenable number.

152332313 is a deficient number, since it is larger than the sum of its proper divisors (21761767).

152332313 is an equidigital number, since it uses as much as digits as its factorization.

152332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21761766.

The product of its digits is 1620, while the sum is 23.

The square root of 152332313 is about 12342.2977196307. The cubic root of 152332313 is about 534.0689697093.

Adding to 152332313 its reverse (313233251), we get a palindrome (465565564).

The spelling of 152332313 in words is "one hundred fifty-two million, three hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 7 21761759 152332313