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232213987 is a prime number
BaseRepresentation
bin11011101011101…
…00110111100011
3121011221200201001
431311310313203
5433421321422
635013052431
75516533465
oct1565646743
9534850631
10232213987
1110a095895
1265927117
1339155c35
1422baa135
15155be227
hexdd74de3

232213987 has 2 divisors, whose sum is σ = 232213988. Its totient is φ = 232213986.

The previous prime is 232213979. The next prime is 232214011. The reversal of 232213987 is 789312232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232213987 - 23 = 232213979 is a prime.

It is not a weakly prime, because it can be changed into another prime (232213187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116106993 + 116106994.

It is an arithmetic number, because the mean of its divisors is an integer number (116106994).

Almost surely, 2232213987 is an apocalyptic number.

232213987 is a deficient number, since it is larger than the sum of its proper divisors (1).

232213987 is an equidigital number, since it uses as much as digits as its factorization.

232213987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 232213987 is about 15238.5690601185. The cubic root of 232213987 is about 614.6522254342.

The spelling of 232213987 in words is "two hundred thirty-two million, two hundred thirteen thousand, nine hundred eighty-seven".