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117490 = 2531379
BaseRepresentation
bin11100101011110010
312222011111
4130223302
512224430
62303534
7666352
oct345362
9188144
10117490
11802aa
1257baa
1341629
1430b62
1524c2a
hex1caf2

117490 has 16 divisors (see below), whose sum is σ = 218880. Its totient is φ = 45360.

The previous prime is 117443. The next prime is 117497. The reversal of 117490 is 94711.

It is not an unprimeable number, because it can be changed into a prime (117497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121 + ... + 499.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2117490 is an apocalyptic number.

117490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117490 is a deficient number, since it is larger than the sum of its proper divisors (101390).

117490 is a wasteful number, since it uses less digits than its factorization.

117490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 117490 is about 342.7681432105. The cubic root of 117490 is about 48.9779159125.

The spelling of 117490 in words is "one hundred seventeen thousand, four hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 379 758 1895 3790 11749 23498 58745 117490