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104772431 is a prime number
BaseRepresentation
bin1100011111010…
…11001101001111
321022010222202102
412033223031033
5203310204211
614221345315
72411356661
oct617531517
9238128672
10104772431
1154161095
122b10823b
1318924b2a
14dcb4531
1592e8a3b
hex63eb34f

104772431 has 2 divisors, whose sum is σ = 104772432. Its totient is φ = 104772430.

The previous prime is 104772413. The next prime is 104772443. The reversal of 104772431 is 134277401.

Together with previous prime (104772413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104772431 is a prime.

It is a super-2 number, since 2×1047724312 = 21954524595299522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104772394 and 104772403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104772401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52386215 + 52386216.

It is an arithmetic number, because the mean of its divisors is an integer number (52386216).

Almost surely, 2104772431 is an apocalyptic number.

104772431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104772431 is an equidigital number, since it uses as much as digits as its factorization.

104772431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 104772431 is about 10235.8405126301. The cubic root of 104772431 is about 471.4283258252.

The spelling of 104772431 in words is "one hundred four million, seven hundred seventy-two thousand, four hundred thirty-one".