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105402112 = 28411727
BaseRepresentation
bin1100100100001…
…00111100000000
321100022222111221
412102010330000
5203440331422
614243044424
72416621534
oct622047400
9240288457
10105402112
1154551192
122b370714
1318ab561a
14ddd9bc4
1593c03c7
hex6484f00

105402112 has 18 divisors (see below), whose sum is σ = 210393008. Its totient is φ = 52700928.

The previous prime is 105402109. The next prime is 105402113. The reversal of 105402112 is 211204501.

It is a super-2 number, since 2×1054021122 = 22219210428121088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105402113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205608 + ... + 206119.

Almost surely, 2105402112 is an apocalyptic number.

It is an amenable number.

105402112 is a deficient number, since it is larger than the sum of its proper divisors (104990896).

105402112 is an frugal number, since it uses more digits than its factorization.

105402112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411743 (or 411729 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 105402112 is about 10266.5530729647. The cubic root of 105402112 is about 472.3708662349.

Adding to 105402112 its reverse (211204501), we get a palindrome (316606613).

The spelling of 105402112 in words is "one hundred five million, four hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 256 411727 823454 1646908 3293816 6587632 13175264 26350528 52701056 105402112