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52372992 = 29374871
BaseRepresentation
bin1100011111001…
…0011000000000
310122112211020110
43013302120000
5101401413432
65110311320
71204106640
oct307623000
9118484213
1052372992
1127621671
1215658540
13ab09549
146d54520
1548e7dcc
hex31f2600

52372992 has 80 divisors (see below), whose sum is σ = 159489792. Its totient is φ = 14960640.

The previous prime is 52372973. The next prime is 52373017. The reversal of 52372992 is 29927325.

It is a self number, because there is not a number n which added to its sum of digits gives 52372992.

It is a congruent number.

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, 8317 + ... + 13187.

Almost surely, 252372992 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 52372992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79744896).

52372992 is an abundant number, since it is smaller than the sum of its proper divisors (107116800).

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

52372992 is an equidigital number, since it uses as much as digits as its factorization.

52372992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899 (or 4883 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 52372992 is about 7236.9186813173. The cubic root of 52372992 is about 374.1414242049.

The spelling of 52372992 in words is "fifty-two million, three hundred seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1344 1536 1792 2688 3584 4871 5376 9742 10752 14613 19484 29226 34097 38968 58452 68194 77936 102291 116904 136388 155872 204582 233808 272776 311744 409164 467616 545552 623488 818328 935232 1091104 1246976 1636656 1870464 2182208 2493952 3273312 3740928 4364416 6546624 7481856 8728832 13093248 17457664 26186496 52372992