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105409494 = 23246112703
BaseRepresentation
bin1100100100001…
…10101111010110
321100100100122100
412102012233112
5203441100434
614243142530
72416652211
oct622065726
9240310570
10105409494
1154556793
122b374a46
1318ab8aa8
14dddc778
1593c2699
hex6486bd6

105409494 has 24 divisors (see below), whose sum is σ = 228900672. Its totient is φ = 35057520.

The previous prime is 105409489. The next prime is 105409501. The reversal of 105409494 is 494904501.

It is a happy number.

It is a super-2 number, since 2×1054094942 = 22222322850672072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1947 + ... + 14649.

It is an arithmetic number, because the mean of its divisors is an integer number (9537528).

Almost surely, 2105409494 is an apocalyptic number.

105409494 is an abundant number, since it is smaller than the sum of its proper divisors (123491178).

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

105409494 is a wasteful number, since it uses less digits than its factorization.

105409494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172 (or 13169 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 105409494 is about 10266.9125836349. The cubic root of 105409494 is about 472.3818937190.

The spelling of 105409494 in words is "one hundred five million, four hundred nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 461 922 1383 2766 4149 8298 12703 25406 38109 76218 114327 228654 5856083 11712166 17568249 35136498 52704747 105409494