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52904783 = 371429859
BaseRepresentation
bin1100100111010…
…0001101001111
310200112211201102
43021310031033
5102020423113
65125533315
71211453231
oct311641517
9120484642
1052904783
1127955168
121587423b
13ac64609
147052251
1549a0758
hex327434f

52904783 has 4 divisors (see below), whose sum is σ = 54334680. Its totient is φ = 51474888.

The previous prime is 52904777. The next prime is 52904791. The reversal of 52904783 is 38740925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52904783 - 24 = 52904767 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 (52904773) 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, 714893 + ... + 714966.

It is an arithmetic number, because the mean of its divisors is an integer number (13583670).

Almost surely, 252904783 is an apocalyptic number.

52904783 is a deficient number, since it is larger than the sum of its proper divisors (1429897).

52904783 is a wasteful number, since it uses less digits than its factorization.

52904783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429896.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 52904783 is about 7273.5674190867. The cubic root of 52904783 is about 375.4034957615.

The spelling of 52904783 in words is "fifty-two million, nine hundred four thousand, seven hundred eighty-three".

Divisors: 1 37 1429859 52904783