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52425745 = 5531811093
BaseRepresentation
bin1100011111111…
…1010000010001
310122122111121021
43013333100101
5101410110440
65111355441
71204416511
oct307772021
9118574537
1052425745
1127658269
1215682b81
13ab27568
146d69841
15490884a
hex31ff411

52425745 has 16 divisors (see below), whose sum is σ = 64510992. Its totient is φ = 40884480.

The previous prime is 52425713. The next prime is 52425787. The reversal of 52425745 is 54752425.

It can be written as a sum of positive squares in 8 ways, for example, as 66049 + 52359696 = 257^2 + 7236^2 .

It is not a de Polignac number, because 52425745 - 25 = 52425713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52425745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47419 + ... + 48511.

It is an arithmetic number, because the mean of its divisors is an integer number (4031937).

Almost surely, 252425745 is an apocalyptic number.

It is an amenable number.

52425745 is a deficient number, since it is larger than the sum of its proper divisors (12085247).

52425745 is a wasteful number, since it uses less digits than its factorization.

52425745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its digits is 56000, while the sum is 34.

The square root of 52425745 is about 7240.5624781504. The cubic root of 52425745 is about 374.2670007584.

The spelling of 52425745 in words is "fifty-two million, four hundred twenty-five thousand, seven hundred forty-five".

Divisors: 1 5 53 181 265 905 1093 5465 9593 47965 57929 197833 289645 989165 10485149 52425745