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51310006 = 21110921397
BaseRepresentation
bin1100001110111…
…0110110110110
310120112211002121
43003232312312
5101113410011
65031430154
71162061566
oct303566666
9116484077
1051310006
1126a65a70
121522535a
13a826767
146b58da6
154787e71
hex30eedb6

51310006 has 16 divisors (see below), whose sum is σ = 84736080. Its totient is φ = 23107680.

The previous prime is 51310003. The next prime is 51310027. The reversal of 51310006 is 60001315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51310003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8301 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (5296005).

Almost surely, 251310006 is an apocalyptic number.

51310006 is a deficient number, since it is larger than the sum of its proper divisors (33426074).

51310006 is a wasteful number, since it uses less digits than its factorization.

51310006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21519.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 51310006 is about 7163.1003064316. The cubic root of 51310006 is about 371.5928553199.

The spelling of 51310006 in words is "fifty-one million, three hundred ten thousand, six".

Divisors: 1 2 11 22 109 218 1199 2398 21397 42794 235367 470734 2332273 4664546 25655003 51310006