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103940 = 2255197
BaseRepresentation
bin11001011000000100
312021120122
4121120010
511311230
62121112
7612014
oct313004
9167518
10103940
1171101
1250198
1338405
1429c44
1520be5
hex19604

103940 has 12 divisors (see below), whose sum is σ = 218316. Its totient is φ = 41568.

The previous prime is 103919. The next prime is 103951. The reversal of 103940 is 49301.

It can be written as a sum of positive squares in 2 ways, for example, as 42436 + 61504 = 206^2 + 248^2 .

It is a congruent number.

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, 2579 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (18193).

2103940 is an apocalyptic number.

103940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103940 is an abundant number, since it is smaller than the sum of its proper divisors (114376).

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

103940 is a wasteful number, since it uses less digits than its factorization.

103940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206 (or 5204 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 103940 is about 322.3972704599. The cubic root of 103940 is about 47.0176484198.

The spelling of 103940 in words is "one hundred three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 5197 10394 20788 25985 51970 103940