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52557272 = 236569659
BaseRepresentation
bin1100100001111…
…1010111011000
310122220012000122
43020133113120
5101423313042
65114252412
71205505125
oct310372730
9118805018
1052557272
1127738069
1215727108
13ab723a1
146da174c
1549327d2
hex321f5d8

52557272 has 8 divisors (see below), whose sum is σ = 98544900. Its totient is φ = 26278632.

The previous prime is 52557257. The next prime is 52557289. The reversal of 52557272 is 27275525.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3284822 + ... + 3284837.

Almost surely, 252557272 is an apocalyptic number.

It is an amenable number.

52557272 is a deficient number, since it is larger than the sum of its proper divisors (45987628).

52557272 is a wasteful number, since it uses less digits than its factorization.

52557272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569665 (or 6569661 counting only the distinct ones).

The product of its digits is 49000, while the sum is 35.

The square root of 52557272 is about 7249.6394393101. The cubic root of 52557272 is about 374.5797294661.

The spelling of 52557272 in words is "fifty-two million, five hundred fifty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 6569659 13139318 26278636 52557272