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52738812 = 223273143157
BaseRepresentation
bin1100100100101…
…1101011111100
310200020102001100
43021023223330
5102000120222
65122213100
71210162320
oct311135374
9120212040
1052738812
11278514a5
12157b4190
13ac06bc9
14700b980
15496b4ac
hex324bafc

52738812 has 144 divisors (see below), whose sum is σ = 161953792. Its totient is φ = 14152320.

The previous prime is 52738799. The next prime is 52738837. The reversal of 52738812 is 21883725.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335838 + ... + 335994.

Almost surely, 252738812 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 52738812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80976896).

52738812 is an abundant number, since it is smaller than the sum of its proper divisors (109214980).

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

52738812 is a wasteful number, since it uses less digits than its factorization.

52738812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 243 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 52738812 is about 7262.1492686394. The cubic root of 52738812 is about 375.0105170384.

The spelling of 52738812 in words is "fifty-two million, seven hundred thirty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 43 62 63 84 86 93 124 126 129 157 172 186 217 252 258 279 301 314 372 387 434 471 516 558 602 628 651 774 868 903 942 1099 1116 1204 1302 1333 1413 1548 1806 1884 1953 2198 2604 2666 2709 2826 3297 3612 3906 3999 4396 4867 5332 5418 5652 6594 6751 7812 7998 9331 9734 9891 10836 11997 13188 13502 14601 15996 18662 19468 19782 20253 23994 27004 27993 29202 34069 37324 39564 40506 43803 47257 47988 55986 58404 60759 68138 81012 83979 87606 94514 102207 111972 121518 136276 141771 167958 175212 189028 204414 209281 243036 283542 306621 335916 408828 418562 425313 567084 613242 627843 837124 850626 1226484 1255686 1464967 1701252 1883529 2511372 2929934 3767058 4394901 5859868 7534116 8789802 13184703 17579604 26369406 52738812