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103878444 = 2238656537
BaseRepresentation
bin1100011000100…
…00111100101100
321020110120102210
412030100330230
5203043102234
614150250420
72400644415
oct614207454
9236416383
10103878444
115370045a
122a956a10
13186a0c47
14db2080c
1591bdbe9
hex6310f2c

103878444 has 12 divisors (see below), whose sum is σ = 242383064. Its totient is φ = 34626144.

The previous prime is 103878431. The next prime is 103878451. The reversal of 103878444 is 444878301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1038784442 = 21581462255722272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328257 + ... + 4328280.

Almost surely, 2103878444 is an apocalyptic number.

It is an amenable number.

103878444 is an abundant number, since it is smaller than the sum of its proper divisors (138504620).

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

103878444 is a wasteful number, since it uses less digits than its factorization.

103878444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656544 (or 8656542 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 103878444 is about 10192.0775114792. The cubic root of 103878444 is about 470.0836489112.

The spelling of 103878444 in words is "one hundred three million, eight hundred seventy-eight thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 8656537 17313074 25969611 34626148 51939222 103878444