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152532631 is a prime number
BaseRepresentation
bin10010001011101…
…11011010010111
3101122000110102201
421011313122113
5303022021011
623045145331
73531335356
oct1105673227
9348013381
10152532631
1179112029
12430bb247
13257a78c4
141638799d
15d5cecc1
hex9177697

152532631 has 2 divisors, whose sum is σ = 152532632. Its totient is φ = 152532630.

The previous prime is 152532613. The next prime is 152532659. The reversal of 152532631 is 136235251.

Together with previous prime (152532613) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (152532659) can be obtained adding 152532631 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152532631 - 25 = 152532599 is a prime.

It is a super-2 number, since 2×1525326312 = 46532407039564322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152532631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152532671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76266315 + 76266316.

It is an arithmetic number, because the mean of its divisors is an integer number (76266316).

Almost surely, 2152532631 is an apocalyptic number.

152532631 is a deficient number, since it is larger than the sum of its proper divisors (1).

152532631 is an equidigital number, since it uses as much as digits as its factorization.

152532631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 28.

The square root of 152532631 is about 12350.4101551325. The cubic root of 152532631 is about 534.3029685794.

Adding to 152532631 its reverse (136235251), we get a palindrome (288767882).

The spelling of 152532631 in words is "one hundred fifty-two million, five hundred thirty-two thousand, six hundred thirty-one".