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117642750 = 2353227691
BaseRepresentation
bin1110000001100…
…01010111111110
322012100212111220
413000301113332
5220104032000
615401254210
72625642531
oct700612776
9265325456
10117642750
1160451815
1233494366
131b4accc4
14118a4a18
15a4dc1a0
hex70315fe

117642750 has 64 divisors (see below), whose sum is σ = 295356672. Its totient is φ = 31188000.

The previous prime is 117642713. The next prime is 117642751. The reversal of 117642750 is 57246711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117642751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169905 + ... + 170595.

It is an arithmetic number, because the mean of its divisors is an integer number (4614948).

Almost surely, 2117642750 is an apocalyptic number.

117642750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117642750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147678336).

117642750 is an abundant number, since it is smaller than the sum of its proper divisors (177713922).

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

117642750 is a wasteful number, since it uses less digits than its factorization.

117642750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 117642750 is about 10846.3242621637. The cubic root of 117642750 is about 489.9913229062.

The spelling of 117642750 in words is "one hundred seventeen million, six hundred forty-two thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 227 250 375 454 681 691 750 1135 1362 1382 2073 2270 3405 3455 4146 5675 6810 6910 10365 11350 17025 17275 20730 28375 34050 34550 51825 56750 85125 86375 103650 156857 170250 172750 259125 313714 470571 518250 784285 941142 1568570 2352855 3921425 4705710 7842850 11764275 19607125 23528550 39214250 58821375 117642750