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117630 = 23251307
BaseRepresentation
bin11100101101111110
312222100200
4130231332
512231010
62304330
7666642
oct345576
9188320
10117630
1180417
12580a6
1341706
1430c22
1524cc0
hex1cb7e

117630 has 24 divisors (see below), whose sum is σ = 306072. Its totient is φ = 31344.

The previous prime is 117619. The next prime is 117643. The reversal of 117630 is 36711.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564 + ... + 743.

It is an arithmetic number, because the mean of its divisors is an integer number (12753).

117630 is a Friedman number, since it can be written as 11-30+7^6, using all its digits and the basic arithmetic operations.

2117630 is an apocalyptic number.

117630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117630 is an abundant number, since it is smaller than the sum of its proper divisors (188442).

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

117630 is a wasteful number, since it uses less digits than its factorization.

117630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 117630 is about 342.9723020887. The cubic root of 117630 is about 48.9973620682.

It can be divided in two parts, 117 and 630, that added together give a palindrome (747).

The spelling of 117630 in words is "one hundred seventeen thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1307 2614 3921 6535 7842 11763 13070 19605 23526 39210 58815 117630