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152232481 is a prime number
BaseRepresentation
bin10010001001011…
…10001000100001
3101121110012201001
421010232020201
5302432414411
623034512001
73525645322
oct1104561041
9347405631
10152232481
1178a27575
1242b95601
13257010bb
141630a449
15d570dc1
hex912e221

152232481 has 2 divisors, whose sum is σ = 152232482. Its totient is φ = 152232480.

The previous prime is 152232473. The next prime is 152232499. The reversal of 152232481 is 184232251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87590881 + 64641600 = 9359^2 + 8040^2 .

It is a cyclic number.

It is not a de Polignac number, because 152232481 - 23 = 152232473 is a prime.

It is a super-2 number, since 2×1522324812 = 46349456542830722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152232401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76116240 + 76116241.

It is an arithmetic number, because the mean of its divisors is an integer number (76116241).

Almost surely, 2152232481 is an apocalyptic number.

It is an amenable number.

152232481 is a deficient number, since it is larger than the sum of its proper divisors (1).

152232481 is an equidigital number, since it uses as much as digits as its factorization.

152232481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 152232481 is about 12338.2527531251. The cubic root of 152232481 is about 533.9522756566.

The spelling of 152232481 in words is "one hundred fifty-two million, two hundred thirty-two thousand, four hundred eighty-one".