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117247392 = 2533971399
BaseRepresentation
bin1101111110100…
…00110110100000
322011121210012000
412333100312200
5220003404032
615345004000
72622405063
oct677206640
9264553160
10117247392
1160201779
1233323600
131b3a2072
14118008da
15a45ee7c
hex6fd0da0

117247392 has 96 divisors (see below), whose sum is σ = 345744000. Its totient is φ = 38651904.

The previous prime is 117247391. The next prime is 117247393. The reversal of 117247392 is 293742711.

It is an interprime number because it is at equal distance from previous prime (117247391) and next prime (117247393).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (117247391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83109 + ... + 84507.

It is an arithmetic number, because the mean of its divisors is an integer number (3601500).

Almost surely, 2117247392 is an apocalyptic number.

117247392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117247392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172872000).

117247392 is an abundant number, since it is smaller than the sum of its proper divisors (228496608).

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

117247392 is a wasteful number, since it uses less digits than its factorization.

117247392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1501 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 117247392 is about 10828.0834869334. The cubic root of 117247392 is about 489.4418077932.

The spelling of 117247392 in words is "one hundred seventeen million, two hundred forty-seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 97 108 144 194 216 288 291 388 432 582 776 864 873 1164 1399 1552 1746 2328 2619 2798 3104 3492 4197 4656 5238 5596 6984 8394 9312 10476 11192 12591 13968 16788 20952 22384 25182 27936 33576 37773 41904 44768 50364 67152 75546 83808 100728 134304 135703 151092 201456 271406 302184 402912 407109 542812 604368 814218 1085624 1208736 1221327 1628436 2171248 2442654 3256872 3663981 4342496 4885308 6513744 7327962 9770616 13027488 14655924 19541232 29311848 39082464 58623696 117247392