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52504720 = 2454315263
BaseRepresentation
bin1100100001001…
…0100010010000
310122210111221021
43020102202100
5101420122340
65113205224
71205165662
oct310224220
9118714837
1052504720
1127701634
1215700814
13ab544a8
146d8a532
154921e4a
hex3212890

52504720 has 40 divisors (see below), whose sum is σ = 124920576. Its totient is φ = 20512128.

The previous prime is 52504717. The next prime is 52504741. The reversal of 52504720 is 2740525.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192 + ... + 11071.

Almost surely, 252504720 is an apocalyptic number.

It is an amenable number.

52504720 is an abundant number, since it is smaller than the sum of its proper divisors (72415856).

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

52504720 is a wasteful number, since it uses less digits than its factorization.

52504720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319 (or 15313 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52504720 is about 7246.0140767183. The cubic root of 52504720 is about 374.4548404461.

The spelling of 52504720 in words is "fifty-two million, five hundred four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 15263 30526 61052 76315 122104 152630 244208 305260 610520 656309 1221040 1312618 2625236 3281545 5250472 6563090 10500944 13126180 26252360 52504720