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105489860 = 2257753499
BaseRepresentation
bin1100100100110…
…10010111000100
321100111102212212
412102122113010
5204001133420
614245002552
72420435420
oct622322704
9240442785
10105489860
1154601103
122b3b3458
1318b16548
141001db80
1593db3c5
hex649a5c4

105489860 has 24 divisors (see below), whose sum is σ = 253176000. Its totient is φ = 36167904.

The previous prime is 105489859. The next prime is 105489871. The reversal of 105489860 is 68984501.

It is a super-2 number, since 2×1054898602 = 22256221125639200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376610 + ... + 376889.

It is an arithmetic number, because the mean of its divisors is an integer number (10549000).

Almost surely, 2105489860 is an apocalyptic number.

105489860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105489860 is an abundant number, since it is smaller than the sum of its proper divisors (147686140).

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

105489860 is a wasteful number, since it uses less digits than its factorization.

105489860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753515 (or 753513 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 105489860 is about 10270.8256727490. The cubic root of 105489860 is about 472.5019138991.

The spelling of 105489860 in words is "one hundred five million, four hundred eighty-nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 753499 1506998 3013996 3767495 5274493 7534990 10548986 15069980 21097972 26372465 52744930 105489860