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105784868 = 22714812551
BaseRepresentation
bin1100100111000…
…10011000100100
321101001102120002
412103202120210
5204040103433
614255200432
72423104460
oct623423044
9241042502
10105784868
1154792812
122b516118
1318bba8c7
14100994a0
1594489e8
hex64e2624

105784868 has 24 divisors (see below), whose sum is σ = 211795584. Its totient is φ = 45288000.

The previous prime is 105784867. The next prime is 105784933. The reversal of 105784868 is 868487501.

It is a happy number.

It is a super-2 number, since 2×1057848682 = 22380876595554848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105784867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40193 + ... + 42743.

It is an arithmetic number, because the mean of its divisors is an integer number (8824816).

Almost surely, 2105784868 is an apocalyptic number.

It is an amenable number.

105784868 is an abundant number, since it is smaller than the sum of its proper divisors (106010716).

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

105784868 is a wasteful number, since it uses less digits than its factorization.

105784868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043 (or 4041 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 105784868 is about 10285.1771010518. The cubic root of 105784868 is about 472.9419628517.

The spelling of 105784868 in words is "one hundred five million, seven hundred eighty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1481 2551 2962 5102 5924 10204 10367 17857 20734 35714 41468 71428 3778031 7556062 15112124 26446217 52892434 105784868