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103997892 = 2238666491
BaseRepresentation
bin1100011001011…
…10000111000100
321020200122021210
412030232013010
5203110413032
614153011420
72401652565
oct614560704
9236618253
10103997892
1153782179
122a9b3b70
131871341b
14db5216c
1591e42cc
hex632e1c4

103997892 has 12 divisors (see below), whose sum is σ = 242661776. Its totient is φ = 34665960.

The previous prime is 103997879. The next prime is 103997897. The reversal of 103997892 is 298799301.

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

It is not an unprimeable number, because it can be changed into a prime (103997897) 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, 4333234 + ... + 4333257.

Almost surely, 2103997892 is an apocalyptic number.

103997892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103997892 is an abundant number, since it is smaller than the sum of its proper divisors (138663884).

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

103997892 is a wasteful number, since it uses less digits than its factorization.

103997892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666498 (or 8666496 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 103997892 is about 10197.9356734586. The cubic root of 103997892 is about 470.2637602063.

The spelling of 103997892 in words is "one hundred three million, nine hundred ninety-seven thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 8666491 17332982 25999473 34665964 51998946 103997892