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51434983 = 312337121
BaseRepresentation
bin1100010000110…
…1010111100111
310120210011112101
43010031113213
5101131404413
65034232531
71163122135
oct304152747
9116704471
1051434983
1127040956
1215285747
13a86b602
146b8c755
1547aeedd
hex310d5e7

51434983 has 8 divisors (see below), whose sum is σ = 53329536. Its totient is φ = 49555200.

The previous prime is 51434941. The next prime is 51434989. The reversal of 51434983 is 38943415.

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 51434983 - 221 = 49337831 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 (51434989) 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, 3663 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (6666192).

Almost surely, 251434983 is an apocalyptic number.

51434983 is a deficient number, since it is larger than the sum of its proper divisors (1894553).

51434983 is a wasteful number, since it uses less digits than its factorization.

51434983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385.

The product of its digits is 51840, while the sum is 37.

The square root of 51434983 is about 7171.8186675348. The cubic root of 51434983 is about 371.8943098793.

The spelling of 51434983 in words is "fifty-one million, four hundred thirty-four thousand, nine hundred eighty-three".

Divisors: 1 31 233 7121 7223 220751 1659193 51434983