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52254728 = 2339716453
BaseRepresentation
bin1100011101010…
…1100000001000
310122022211000022
43013111200020
5101334122403
65104000012
71203105101
oct307254010
9118284008
1052254728
1127550829
1215600008
13aa97776
146d233a8
1548c2d38
hex31d5808

52254728 has 16 divisors (see below), whose sum is σ = 98230380. Its totient is φ = 26059968.

The previous prime is 52254701. The next prime is 52254733. The reversal of 52254728 is 82745225.

It can be written as a sum of positive squares in 2 ways, for example, as 46485124 + 5769604 = 6818^2 + 2402^2 .

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051 + ... + 11402.

Almost surely, 252254728 is an apocalyptic number.

It is an amenable number.

52254728 is a deficient number, since it is larger than the sum of its proper divisors (45975652).

52254728 is a wasteful number, since it uses less digits than its factorization.

52254728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16856 (or 16852 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 52254728 is about 7228.7431826010. The cubic root of 52254728 is about 373.8595944121.

The spelling of 52254728 in words is "fifty-two million, two hundred fifty-four thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 397 794 1588 3176 16453 32906 65812 131624 6531841 13063682 26127364 52254728