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105864494 = 252932247
BaseRepresentation
bin1100100111101…
…01110100101110
321101012110210012
412103311310232
5204100130434
614301013222
72423555561
oct623656456
9241173705
10105864494
115483761a
122b554212
1318c17c18
14100ba4d8
1594623ce
hex64f5d2e

105864494 has 4 divisors (see below), whose sum is σ = 158796744. Its totient is φ = 52932246.

The previous prime is 105864481. The next prime is 105864497. The reversal of 105864494 is 494468501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494468501 = 618106041.

It is a super-2 number, since 2×1058644942 = 22414582179752072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105864497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26466122 + ... + 26466125.

It is an arithmetic number, because the mean of its divisors is an integer number (39699186).

Almost surely, 2105864494 is an apocalyptic number.

105864494 is a deficient number, since it is larger than the sum of its proper divisors (52932250).

105864494 is an equidigital number, since it uses as much as digits as its factorization.

105864494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52932249.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 105864494 is about 10289.0472833980. The cubic root of 105864494 is about 473.0605968072.

The spelling of 105864494 in words is "one hundred five million, eight hundred sixty-four thousand, four hundred ninety-four".

Divisors: 1 2 52932247 105864494