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52530744 = 23372192351
BaseRepresentation
bin1100100001100…
…0111000111000
310122211211122010
43020120320320
5101421440434
65113525520
71205334600
oct310307070
9118754563
1052530744
112771a142
12157138a0
13ab632a6
146d95c00
1549299e9
hex3218e38

52530744 has 96 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 14212800.

The previous prime is 52530739. The next prime is 52530749. The reversal of 52530744 is 44703525.

It is an interprime number because it is at equal distance from previous prime (52530739) and next prime (52530749).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52530749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21169 + ... + 23519.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 252530744 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 52530744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

52530744 is an abundant number, since it is smaller than the sum of its proper divisors (108346056).

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

52530744 is a wasteful number, since it uses less digits than its factorization.

52530744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 52530744 is about 7247.8096001482. The cubic root of 52530744 is about 374.5166964926.

The spelling of 52530744 in words is "fifty-two million, five hundred thirty thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 49 56 57 76 84 98 114 133 147 152 168 196 228 266 294 392 399 456 532 588 798 931 1064 1176 1596 1862 2351 2793 3192 3724 4702 5586 7053 7448 9404 11172 14106 16457 18808 22344 28212 32914 44669 49371 56424 65828 89338 98742 115199 131656 134007 178676 197484 230398 268014 312683 345597 357352 394968 460796 536028 625366 691194 921592 938049 1072056 1250732 1382388 1876098 2188781 2501464 2764776 3752196 4377562 6566343 7504392 8755124 13132686 17510248 26265372 52530744