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51394337 = 199271953
BaseRepresentation
bin1100010000001…
…1011100100001
310120201002202222
43010003130201
5101124104322
65033320425
71162562501
oct304033441
9116632688
1051394337
1127013365
1215266115
13a855c67
146b7ba01
1547a2e42
hex3103721

51394337 has 8 divisors (see below), whose sum is σ = 51897600. Its totient is φ = 50893920.

The previous prime is 51394327. The next prime is 51394363. The reversal of 51394337 is 73349315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51394337 - 220 = 50345761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51394297 and 51394306.

It is not an unprimeable number, because it can be changed into a prime (51394307) 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, 53453 + ... + 54405.

It is an arithmetic number, because the mean of its divisors is an integer number (6487200).

Almost surely, 251394337 is an apocalyptic number.

It is an amenable number.

51394337 is a deficient number, since it is larger than the sum of its proper divisors (503263).

51394337 is a wasteful number, since it uses less digits than its factorization.

With its successor (51394338) it forms an eRAP, since the sums of their prime factors are consecutive (1423 and 1424).

51394337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its digits is 34020, while the sum is 35.

The square root of 51394337 is about 7168.9843771625. The cubic root of 51394337 is about 371.7963220978.

The spelling of 51394337 in words is "fifty-one million, three hundred ninety-four thousand, three hundred thirty-seven".

Divisors: 1 199 271 953 53929 189647 258263 51394337