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117049620 = 22351950827
BaseRepresentation
bin1101111101000…
…00100100010100
322011020201220010
412332200210110
5214431041440
615340440220
72620622352
oct676404424
9264221803
10117049620
1160087126
1233249070
131b33303c
141178c7d2
15a421580
hex6fa0914

117049620 has 24 divisors (see below), whose sum is σ = 327739104. Its totient is φ = 31213216.

The previous prime is 117049619. The next prime is 117049627. The reversal of 117049620 is 26940711.

It is a happy number.

It is a super-2 number, since 2×1170496202 = 27401227084288800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117049627) 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, 975354 + ... + 975473.

It is an arithmetic number, because the mean of its divisors is an integer number (13655796).

Almost surely, 2117049620 is an apocalyptic number.

117049620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117049620 is an abundant number, since it is smaller than the sum of its proper divisors (210689484).

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

117049620 is a wasteful number, since it uses less digits than its factorization.

117049620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950839 (or 1950837 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 117049620 is about 10818.9472685655. The cubic root of 117049620 is about 489.1664573552.

The spelling of 117049620 in words is "one hundred seventeen million, forty-nine thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1950827 3901654 5852481 7803308 9754135 11704962 19508270 23409924 29262405 39016540 58524810 117049620