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103792489 is a prime number
BaseRepresentation
bin1100010111110…
…11111101101001
321020022012112021
412023323331221
5203032324424
614144344441
72400136003
oct613737551
9236265467
10103792489
1153651919
122a915121
1318670a98
14dadb373
1591a34e4
hex62fbf69

103792489 has 2 divisors, whose sum is σ = 103792490. Its totient is φ = 103792488.

The previous prime is 103792487. The next prime is 103792501. The reversal of 103792489 is 984297301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 36421225 = 8208^2 + 6035^2 .

It is a cyclic number.

It is not a de Polignac number, because 103792489 - 21 = 103792487 is a prime.

Together with 103792487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103792483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51896244 + 51896245.

It is an arithmetic number, because the mean of its divisors is an integer number (51896245).

Almost surely, 2103792489 is an apocalyptic number.

It is an amenable number.

103792489 is a deficient number, since it is larger than the sum of its proper divisors (1).

103792489 is an equidigital number, since it uses as much as digits as its factorization.

103792489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 103792489 is about 10187.8598832139. The cubic root of 103792489 is about 469.9539550486.

The spelling of 103792489 in words is "one hundred three million, seven hundred ninety-two thousand, four hundred eighty-nine".