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52904852 = 227111373181
BaseRepresentation
bin1100100111010…
…0001110010100
310200112211210222
43021310032110
5102020423402
65125533512
71211453360
oct311641624
9120484728
1052904852
1127955220
1215874298
13ac64660
1470522a0
1549a07a2
hex3274394

52904852 has 96 divisors (see below), whose sum is σ = 126706944. Its totient is φ = 18662400.

The previous prime is 52904851. The next prime is 52904861. The reversal of 52904852 is 25840925.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52904851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292202 + ... + 292382.

It is an arithmetic number, because the mean of its divisors is an integer number (1319864).

Almost surely, 252904852 is an apocalyptic number.

52904852 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52904852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63353472).

52904852 is an abundant number, since it is smaller than the sum of its proper divisors (73802092).

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

52904852 is a wasteful number, since it uses less digits than its factorization.

52904852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 52904852 is about 7273.5721622872. The cubic root of 52904852 is about 375.4036589656.

The spelling of 52904852 in words is "fifty-two million, nine hundred four thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 73 77 91 143 146 154 181 182 286 292 308 362 364 511 572 724 803 949 1001 1022 1267 1606 1898 1991 2002 2044 2353 2534 3212 3796 3982 4004 4706 5068 5621 6643 7964 9412 10439 11242 13213 13286 13937 16471 20878 22484 25883 26426 26572 27874 32942 41756 51766 52852 55748 65884 73073 92491 103532 145343 146146 171769 181181 184982 290686 292292 343538 362362 369964 581372 687076 724724 1017401 1202383 1889459 2034802 2404766 3778918 4069604 4809532 7557836 13226213 26452426 52904852