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105232032 = 25321919231
BaseRepresentation
bin1100100010110…
…11011010100000
321100000100012200
412101123122200
5203414411112
614235253200
72415312633
oct621333240
9240010180
10105232032
1154445424
122b2aa200
1318a56099
14dd93c1a
159389cdc
hex645b6a0

105232032 has 72 divisors (see below), whose sum is σ = 315020160. Its totient is φ = 33229440.

The previous prime is 105232021. The next prime is 105232037. The reversal of 105232032 is 230232501.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1052320322 = 22147561117698048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 105231996 and 105232014.

It is not an unprimeable number, because it can be changed into a prime (105232037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4144 + ... + 15087.

It is an arithmetic number, because the mean of its divisors is an integer number (4375280).

Almost surely, 2105232032 is an apocalyptic number.

105232032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105232032 is an abundant number, since it is smaller than the sum of its proper divisors (209788128).

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

105232032 is a wasteful number, since it uses less digits than its factorization.

105232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19266 (or 19255 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 105232032 is about 10258.2665202265. The cubic root of 105232032 is about 472.1166521980.

Adding to 105232032 its reverse (230232501), we get a palindrome (335464533).

The spelling of 105232032 in words is "one hundred five million, two hundred thirty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 2736 5472 19231 38462 57693 76924 115386 153848 173079 230772 307696 346158 365389 461544 615392 692316 730778 923088 1096167 1384632 1461556 1846176 2192334 2769264 2923112 3288501 4384668 5538528 5846224 6577002 8769336 11692448 13154004 17538672 26308008 35077344 52616016 105232032