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15380039 is a prime number
BaseRepresentation
bin111010101010…
…111001000111
31001221101110002
4322222321013
512414130124
61305351515
7244504523
oct72527107
931841402
1015380039
118755284
12519859b
13325661c
142084d83
15153c0ae
hexeaae47

15380039 has 2 divisors, whose sum is σ = 15380040. Its totient is φ = 15380038.

The previous prime is 15380023. The next prime is 15380047. The reversal of 15380039 is 93008351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15380039 - 24 = 15380023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15379993 and 15380020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15385039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7690019 + 7690020.

It is an arithmetic number, because the mean of its divisors is an integer number (7690020).

Almost surely, 215380039 is an apocalyptic number.

15380039 is a deficient number, since it is larger than the sum of its proper divisors (1).

15380039 is an equidigital number, since it uses as much as digits as its factorization.

15380039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 15380039 is about 3921.7392825123. The cubic root of 15380039 is about 248.6866539034.

The spelling of 15380039 in words is "fifteen million, three hundred eighty thousand, thirty-nine".