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52725312 = 2632239383
BaseRepresentation
bin1100100100100…
…0011001000000
310200012201112100
43021020121000
5101444202222
65122030400
71210105053
oct311103100
9120181470
1052725312
1127842342
12157a8400
13ac00a13
147006a9a
1549674ac
hex3248640

52725312 has 84 divisors (see below), whose sum is σ = 152156160. Its totient is φ = 17455872.

The previous prime is 52725307. The next prime is 52725317. The reversal of 52725312 is 21352725.

It is an interprime number because it is at equal distance from previous prime (52725307) and next prime (52725317).

It is not an unprimeable number, because it can be changed into a prime (52725317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137473 + ... + 137855.

Almost surely, 252725312 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 52725312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76078080).

52725312 is an abundant number, since it is smaller than the sum of its proper divisors (99430848).

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

52725312 is a wasteful number, since it uses less digits than its factorization.

52725312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 627 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 52725312 is about 7261.2197322488. The cubic root of 52725312 is about 374.9785161025.

The spelling of 52725312 in words is "fifty-two million, seven hundred twenty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 239 288 383 478 576 717 766 956 1149 1434 1532 1912 2151 2298 2868 3064 3447 3824 4302 4596 5736 6128 6894 7648 8604 9192 11472 12256 13788 15296 17208 18384 22944 24512 27576 34416 36768 45888 55152 68832 73536 91537 110304 137664 183074 220608 274611 366148 549222 732296 823833 1098444 1464592 1647666 2196888 2929184 3295332 4393776 5858368 6590664 8787552 13181328 17575104 26362656 52725312