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51346007 = 206324889
BaseRepresentation
bin1100001111011…
…1101001010111
310120121122110222
43003313221113
5101121033012
65032304555
71162301546
oct303675127
9116548428
1051346007
1126a90019
121524215b
13a839c6b
146b6815d
154793972
hex30f7a57

51346007 has 4 divisors (see below), whose sum is σ = 51372960. Its totient is φ = 51319056.

The previous prime is 51346003. The next prime is 51346019. The reversal of 51346007 is 70064315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70064315 = 514012863.

It is a cyclic number.

It is not a de Polignac number, because 51346007 - 22 = 51346003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51346003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10382 + ... + 14507.

It is an arithmetic number, because the mean of its divisors is an integer number (12843240).

Almost surely, 251346007 is an apocalyptic number.

51346007 is a deficient number, since it is larger than the sum of its proper divisors (26953).

51346007 is a wasteful number, since it uses less digits than its factorization.

51346007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26952.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 51346007 is about 7165.6128139888. The cubic root of 51346007 is about 371.6797427705.

The spelling of 51346007 in words is "fifty-one million, three hundred forty-six thousand, seven".

Divisors: 1 2063 24889 51346007