Search a number
-
+
105907912 = 23112372957
BaseRepresentation
bin1100101000000…
…00011011001000
321101021200100021
412110000123020
5204103023122
614301550224
72424126265
oct624003310
9241250307
10105907912
1154867200
122b575374
1318c31906
14100cc26c
1594701c7
hex65006c8

105907912 has 48 divisors (see below), whose sum is σ = 224245980. Its totient is φ = 46823040.

The previous prime is 105907883. The next prime is 105907933. The reversal of 105907912 is 219709501.

It can be written as a sum of positive squares in 2 ways, for example, as 105555076 + 352836 = 10274^2 + 594^2 .

It is a super-2 number, since 2×1059079122 = 22432971648399488, which contains 22 as substring.

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, 34338 + ... + 37294.

Almost surely, 2105907912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105907912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112122990).

105907912 is an abundant number, since it is smaller than the sum of its proper divisors (118338068).

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

105907912 is a wasteful number, since it uses less digits than its factorization.

105907912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 105907912 is about 10291.1569806315. The cubic root of 105907912 is about 473.1252597769.

The spelling of 105907912 in words is "one hundred five million, nine hundred seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 22 37 44 74 88 121 148 242 296 407 484 814 968 1628 2957 3256 4477 5914 8954 11828 17908 23656 32527 35816 65054 109409 130108 218818 260216 357797 437636 715594 875272 1203499 1431188 2406998 2862376 4813996 9627992 13238489 26476978 52953956 105907912