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52929690 = 235111071499
BaseRepresentation
bin1100100111101…
…0010010011010
310200121002212220
43021322102122
5102022222230
65130244510
71211615652
oct311722232
9120532786
1052929690
1127971950
1215886736
13ac72a58
14705b362
1549a7d10
hex327a49a

52929690 has 64 divisors (see below), whose sum is σ = 139968000. Its totient is φ = 12703040.

The previous prime is 52929677. The next prime is 52929691. The reversal of 52929690 is 9692925.

52929690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×529296902 = 5603104166992200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52929691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34561 + ... + 36059.

It is an arithmetic number, because the mean of its divisors is an integer number (2187000).

Almost surely, 252929690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52929690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69984000).

52929690 is an abundant number, since it is smaller than the sum of its proper divisors (87038310).

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

52929690 is a wasteful number, since it uses less digits than its factorization.

52929690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 52929690 is about 7275.2793760790. The cubic root of 52929690 is about 375.4623984882.

The spelling of 52929690 in words is "fifty-two million, nine hundred twenty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 107 110 165 214 321 330 535 642 1070 1177 1499 1605 2354 2998 3210 3531 4497 5885 7062 7495 8994 11770 14990 16489 17655 22485 32978 35310 44970 49467 82445 98934 160393 164890 247335 320786 481179 494670 801965 962358 1603930 1764323 2405895 3528646 4811790 5292969 8821615 10585938 17643230 26464845 52929690