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52399783 = 473173517
BaseRepresentation
bin1100011111100…
…0111010100111
310122121011222201
43013320322213
5101403243113
65111035331
71204251022
oct307707247
9118534881
1052399783
112763a807
121566bb47
13ab187b7
146d601b9
154900cdd
hex31f8ea7

52399783 has 8 divisors (see below), whose sum is σ = 53698752. Its totient is φ = 51108576.

The previous prime is 52399771. The next prime is 52399801. The reversal of 52399783 is 38799325.

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 52399783 - 25 = 52399751 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 (52399583) 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, 13141 + ... + 16657.

It is an arithmetic number, because the mean of its divisors is an integer number (6712344).

Almost surely, 252399783 is an apocalyptic number.

52399783 is a deficient number, since it is larger than the sum of its proper divisors (1298969).

52399783 is a wasteful number, since it uses less digits than its factorization.

52399783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881.

The product of its digits is 408240, while the sum is 46.

The square root of 52399783 is about 7238.7694396216. The cubic root of 52399783 is about 374.2052097162.

The spelling of 52399783 in words is "fifty-two million, three hundred ninety-nine thousand, seven hundred eighty-three".

Divisors: 1 47 317 3517 14899 165299 1114889 52399783