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103908040 = 2352597701
BaseRepresentation
bin1100011000110…
…00001011001000
321020112002000221
412030120023020
5203100024130
614151035424
72401126615
oct614301310
9236462027
10103908040
1153720715
122a96bb74
13186b1562
14db2b50c
1591c787a
hex63182c8

103908040 has 16 divisors (see below), whose sum is σ = 233793180. Its totient is φ = 41563200.

The previous prime is 103908031. The next prime is 103908047. The reversal of 103908040 is 40809301.

It can be written as a sum of positive squares in 2 ways, for example, as 98366724 + 5541316 = 9918^2 + 2354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103907996 and 103908014.

It is not an unprimeable number, because it can be changed into a prime (103908047) 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, 1298811 + ... + 1298890.

Almost surely, 2103908040 is an apocalyptic number.

103908040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103908040 is an abundant number, since it is smaller than the sum of its proper divisors (129885140).

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

103908040 is a wasteful number, since it uses less digits than its factorization.

103908040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597712 (or 2597708 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 103908040 is about 10193.5293201128. The cubic root of 103908040 is about 470.1282885049.

The spelling of 103908040 in words is "one hundred three million, nine hundred eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 2597701 5195402 10390804 12988505 20781608 25977010 51954020 103908040