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152321957 is a prime number
BaseRepresentation
bin10010001010000…
…11111110100101
3101121121202102222
421011003332211
5302443300312
623040442125
73526500224
oct1105037645
9347552388
10152321957
1178a88817
1243019345
1325732a48
1416330cbb
15d58c672
hex9143fa5

152321957 has 2 divisors, whose sum is σ = 152321958. Its totient is φ = 152321956.

The previous prime is 152321863. The next prime is 152321999. The reversal of 152321957 is 759123251.

152321957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121308196 + 31013761 = 11014^2 + 5569^2 .

It is an emirp because it is prime and its reverse (759123251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152321957 - 210 = 152320933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152320957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76160978 + 76160979.

It is an arithmetic number, because the mean of its divisors is an integer number (76160979).

Almost surely, 2152321957 is an apocalyptic number.

It is an amenable number.

152321957 is a deficient number, since it is larger than the sum of its proper divisors (1).

152321957 is an equidigital number, since it uses as much as digits as its factorization.

152321957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 152321957 is about 12341.8781795965. The cubic root of 152321957 is about 534.0568669070.

The spelling of 152321957 in words is "one hundred fifty-two million, three hundred twenty-one thousand, nine hundred fifty-seven".