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52539408 = 24331937173
BaseRepresentation
bin1100100001101…
…1000000010000
310122212021112000
43020123000100
5101422230113
65114034000
71205402055
oct310330020
9118767460
1052539408
11277256a9
1215718900
13ab6720c
146d9902c
15492c373
hex321b010

52539408 has 160 divisors (see below), whose sum is σ = 163977600. Its totient is φ = 16049664.

The previous prime is 52539397. The next prime is 52539433. The reversal of 52539408 is 80493525.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303610 + ... + 303782.

It is an arithmetic number, because the mean of its divisors is an integer number (1024860).

Almost surely, 252539408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52539408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81988800).

52539408 is an abundant number, since it is smaller than the sum of its proper divisors (111438192).

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

52539408 is a wasteful number, since it uses less digits than its factorization.

52539408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 52539408 is about 7248.4072733256. The cubic root of 52539408 is about 374.5372852884.

The spelling of 52539408 in words is "fifty-two million, five hundred thirty-nine thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 36 37 38 48 54 57 72 74 76 108 111 114 144 148 152 171 173 216 222 228 296 304 333 342 346 432 444 456 513 519 592 666 684 692 703 888 912 999 1026 1038 1332 1368 1384 1406 1557 1776 1998 2052 2076 2109 2664 2736 2768 2812 3114 3287 3996 4104 4152 4218 4671 5328 5624 6228 6327 6401 6574 7992 8208 8304 8436 9342 9861 11248 12456 12654 12802 13148 15984 16872 18684 18981 19203 19722 24912 25308 25604 26296 29583 33744 37368 37962 38406 39444 50616 51208 52592 57609 59166 74736 75924 76812 78888 88749 101232 102416 115218 118332 121619 151848 153624 157776 172827 177498 230436 236664 243238 303696 307248 345654 354996 364857 460872 473328 486476 691308 709992 729714 921744 972952 1094571 1382616 1419984 1459428 1945904 2189142 2765232 2918856 3283713 4378284 5837712 6567426 8756568 13134852 17513136 26269704 52539408