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104052440 = 2352601311
BaseRepresentation
bin1100011001110…
…11011011011000
321020210102010002
412030323123120
5203114134230
614154112132
72402300612
oct614733330
9236712102
10104052440
115380a158
122aa1b648
13187321bb
14db67db2
159205545
hex633b6d8

104052440 has 16 divisors (see below), whose sum is σ = 234118080. Its totient is φ = 41620960.

The previous prime is 104052433. The next prime is 104052449. The reversal of 104052440 is 44250401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104052449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300616 + ... + 1300695.

It is an arithmetic number, because the mean of its divisors is an integer number (14632380).

Almost surely, 2104052440 is an apocalyptic number.

104052440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104052440 is an abundant number, since it is smaller than the sum of its proper divisors (130065640).

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

104052440 is a wasteful number, since it uses less digits than its factorization.

104052440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601322 (or 2601318 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 104052440 is about 10200.6097856942. The cubic root of 104052440 is about 470.3459652828.

The spelling of 104052440 in words is "one hundred four million, fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2601311 5202622 10405244 13006555 20810488 26013110 52026220 104052440