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51083405 = 510795483
BaseRepresentation
bin1100001011011…
…1100010001101
310120010022020222
43002313202031
5101034132110
65022521125
71160126132
oct302674215
9116108228
1051083405
112692079a
12151361a5
13a777589
146ada589
154740c55
hex30b788d

51083405 has 8 divisors (see below), whose sum is σ = 61873632. Its totient is φ = 40484368.

The previous prime is 51083393. The next prime is 51083411. The reversal of 51083405 is 50438015.

51083405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51083405 - 224 = 34306189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47207 + ... + 48276.

It is an arithmetic number, because the mean of its divisors is an integer number (7734204).

Almost surely, 251083405 is an apocalyptic number.

It is an amenable number.

51083405 is a deficient number, since it is larger than the sum of its proper divisors (10790227).

51083405 is a wasteful number, since it uses less digits than its factorization.

51083405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95595.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51083405 is about 7147.2655610380. The cubic root of 51083405 is about 371.0450247228.

The spelling of 51083405 in words is "fifty-one million, eighty-three thousand, four hundred five".

Divisors: 1 5 107 535 95483 477415 10216681 51083405