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52428432 = 2437222291
BaseRepresentation
bin1100011111111…
…1111010010000
310122122122021210
43013333322100
5101410202212
65111420120
71204430400
oct307777220
9118578253
1052428432
112765a291
1215684640
13ab28854
146d6a800
15490953c
hex31ffe90

52428432 has 60 divisors (see below), whose sum is σ = 157559856. Its totient is φ = 14978880.

The previous prime is 52428419. The next prime is 52428451. The reversal of 52428432 is 23482425.

It is a self number, because there is not a number n which added to its sum of digits gives 52428432.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8794 + ... + 13497.

Almost surely, 252428432 is an apocalyptic number.

It is an amenable number.

52428432 is an abundant number, since it is smaller than the sum of its proper divisors (105131424).

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

52428432 is a wasteful number, since it uses less digits than its factorization.

52428432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22316 (or 22303 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 52428432 is about 7240.7480276557. The cubic root of 52428432 is about 374.2733948068.

The spelling of 52428432 in words is "fifty-two million, four hundred twenty-eight thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 392 588 784 1176 2352 22291 44582 66873 89164 133746 156037 178328 267492 312074 356656 468111 534984 624148 936222 1069968 1092259 1248296 1872444 2184518 2496592 3276777 3744888 4369036 6553554 7489776 8738072 13107108 17476144 26214216 52428432