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51142607 is a prime number
BaseRepresentation
bin1100001100010…
…1111111001111
310120020022110122
43003011333033
5101043030412
65024055155
71160463545
oct303057717
9116208418
1051142607
112696121a
12151644bb
13a7984c9
146b13d95
154753572
hex30c5fcf

51142607 has 2 divisors, whose sum is σ = 51142608. Its totient is φ = 51142606.

The previous prime is 51142577. The next prime is 51142633. The reversal of 51142607 is 70624115.

It is an a-pointer prime, because the next prime (51142633) can be obtained adding 51142607 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51142607 - 216 = 51077071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51142657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25571303 + 25571304.

It is an arithmetic number, because the mean of its divisors is an integer number (25571304).

Almost surely, 251142607 is an apocalyptic number.

51142607 is a deficient number, since it is larger than the sum of its proper divisors (1).

51142607 is an equidigital number, since it uses as much as digits as its factorization.

51142607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 51142607 is about 7151.4059456865. The cubic root of 51142607 is about 371.1883075698.

The spelling of 51142607 in words is "fifty-one million, one hundred forty-two thousand, six hundred seven".