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117270720 = 2633572277
BaseRepresentation
bin1101111110101…
…10100011000000
322011122222012000
412333112203000
5220010130340
615345304000
72622533100
oct677264300
9264588160
10117270720
1160218256
1233335000
131b3ac878
1411809200
15a466d30
hex6fd68c0

117270720 has 336 divisors, whose sum is σ = 482986080. Its totient is φ = 26707968.

The previous prime is 117270667. The next prime is 117270757. The reversal of 117270720 is 27072711.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423222 + ... + 423498.

Almost surely, 2117270720 is an apocalyptic number.

117270720 is a gapful number since it is divisible by the number (10) 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 117270720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241493040).

117270720 is an abundant number, since it is smaller than the sum of its proper divisors (365715360).

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

117270720 is a wasteful number, since it uses less digits than its factorization.

117270720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 117270720 is about 10829.1606322928. The cubic root of 117270720 is about 489.4742660599.

The spelling of 117270720 in words is "one hundred seventeen million, two hundred seventy thousand, seven hundred twenty".