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105218952 = 2338774999
BaseRepresentation
bin1100100010110…
…00001110001000
321022222200021020
412101120032020
5203414001302
614235112440
72415226536
oct621301610
9238880236
10105218952
1154436613
122b2a2720
1318a50147
14dd8d156
159385ebc
hex6458388

105218952 has 32 divisors (see below), whose sum is σ = 263400000. Its totient is φ = 35025984.

The previous prime is 105218921. The next prime is 105218959. The reversal of 105218952 is 259812501.

It is a super-2 number, since 2×1052189522 = 22142055719956608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105218959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18549 + ... + 23547.

It is an arithmetic number, because the mean of its divisors is an integer number (8231250).

Almost surely, 2105218952 is an apocalyptic number.

105218952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105218952 is an abundant number, since it is smaller than the sum of its proper divisors (158181048).

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

105218952 is a wasteful number, since it uses less digits than its factorization.

105218952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885 (or 5881 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 105218952 is about 10257.6289657991. The cubic root of 105218952 is about 472.0970905317.

The spelling of 105218952 in words is "one hundred five million, two hundred eighteen thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 877 1754 2631 3508 4999 5262 7016 9998 10524 14997 19996 21048 29994 39992 59988 119976 4384123 8768246 13152369 17536492 26304738 35072984 52609476 105218952