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51092207 is a prime number
BaseRepresentation
bin1100001011100…
…1101011101111
310120010202022222
43002321223233
5101034422312
65023025555
71160163605
oct302715357
9116122288
1051092207
1126927371
121513b2bb
13a77b59a
146add875
154743672
hex30b9aef

51092207 has 2 divisors, whose sum is σ = 51092208. Its totient is φ = 51092206.

The previous prime is 51092203. The next prime is 51092219. The reversal of 51092207 is 70229015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51092207 - 22 = 51092203 is a prime.

It is a super-2 number, since 2×510922072 = 5220827232261698, which contains 22 as substring.

It is equal to p3062627 and since 51092207 and 3062627 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51092203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25546103 + 25546104.

It is an arithmetic number, because the mean of its divisors is an integer number (25546104).

Almost surely, 251092207 is an apocalyptic number.

51092207 is a deficient number, since it is larger than the sum of its proper divisors (1).

51092207 is an equidigital number, since it uses as much as digits as its factorization.

51092207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51092207 is about 7147.8812944816. The cubic root of 51092207 is about 371.0663346488.

The spelling of 51092207 in words is "fifty-one million, ninety-two thousand, two hundred seven".