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105913028 = 22136013389
BaseRepresentation
bin1100101000000…
…01101011000100
321101021221100202
412110001223010
5204103204103
614302030032
72424150224
oct624015304
9241257322
10105913028
1154870031
122b578318
1318c34040
14100d0084
159471988
hex6501ac4

105913028 has 24 divisors (see below), whose sum is σ = 199996440. Its totient is φ = 48787200.

The previous prime is 105913021. The next prime is 105913037. The reversal of 105913028 is 820319501.

It can be written as a sum of positive squares in 4 ways, for example, as 43059844 + 62853184 = 6562^2 + 7928^2 .

It is a super-2 number, since 2×1059130282 = 22435139000257568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105913021) 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, 29558 + ... + 32946.

It is an arithmetic number, because the mean of its divisors is an integer number (8333185).

Almost surely, 2105913028 is an apocalyptic number.

It is an amenable number.

105913028 is a deficient number, since it is larger than the sum of its proper divisors (94083412).

105913028 is a wasteful number, since it uses less digits than its factorization.

105913028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 105913028 is about 10291.4055405469. The cubic root of 105913028 is about 473.1328779357.

The spelling of 105913028 in words is "one hundred five million, nine hundred thirteen thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 601 1202 2404 3389 6778 7813 13556 15626 31252 44057 88114 176228 2036789 4073578 8147156 26478257 52956514 105913028