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52736620 = 2252636831
BaseRepresentation
bin1100100100101…
…1001001101100
310200020022001011
43021023021230
5102000032440
65122155004
71210153036
oct311131154
9120208034
1052736620
112784a892
12157b2a64
13ac05c01
14700ac56
15496a9ea
hex324b26c

52736620 has 12 divisors (see below), whose sum is σ = 110746944. Its totient is φ = 21094640.

The previous prime is 52736617. The next prime is 52736633. The reversal of 52736620 is 2663725.

It is a super-3 number, since 3×527366203 (a number of 24 digits) contains 333 as substring.

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, 1318396 + ... + 1318435.

It is an arithmetic number, because the mean of its divisors is an integer number (9228912).

Almost surely, 252736620 is an apocalyptic number.

It is an amenable number.

52736620 is an abundant number, since it is smaller than the sum of its proper divisors (58010324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52736620 is a wasteful number, since it uses less digits than its factorization.

52736620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636840 (or 2636838 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 52736620 is about 7261.9983475625. The cubic root of 52736620 is about 375.0053214060.

The spelling of 52736620 in words is "fifty-two million, seven hundred thirty-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 2636831 5273662 10547324 13184155 26368310 52736620