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538708620 = 223510783911
BaseRepresentation
bin100000000111000…
…000101010001100
31101112200020022010
4200013000222030
52100402133440
6125242221220
716230643032
oct4007005214
91345606263
10538708620
112570a583a
121304b4810
13877b8bc8
1451790552
1532462580
hex201c0a8c

538708620 has 48 divisors (see below), whose sum is σ = 1522499328. Its totient is φ = 142311360.

The previous prime is 538708603. The next prime is 538708633. The reversal of 538708620 is 26807835.

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, 35536 + ... + 48375.

It is an arithmetic number, because the mean of its divisors is an integer number (31718736).

Almost surely, 2538708620 is an apocalyptic number.

It is an amenable number.

538708620 is an abundant number, since it is smaller than the sum of its proper divisors (983790708).

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

538708620 is a wasteful number, since it uses less digits than its factorization.

538708620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84030 (or 84028 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 538708620 is about 23210.0973716182. The cubic root of 538708620 is about 813.6756289379.

The spelling of 538708620 in words is "five hundred thirty-eight million, seven hundred eight thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 428 535 642 1070 1284 1605 2140 3210 6420 83911 167822 251733 335644 419555 503466 839110 1006932 1258665 1678220 2517330 5034660 8978477 17956954 26935431 35913908 44892385 53870862 89784770 107741724 134677155 179569540 269354310 538708620