Search a number
-
+
117252280 = 2352931307
BaseRepresentation
bin1101111110100…
…10000010111000
322011122000220001
412333102002320
5220004033110
615345042344
72622425245
oct677220270
9264560801
10117252280
1160205412
12333263b4
131b3a4362
14118025cc
15a46163a
hex6fd20b8

117252280 has 16 divisors (see below), whose sum is σ = 263817720. Its totient is φ = 46900896.

The previous prime is 117252259. The next prime is 117252283. The reversal of 117252280 is 82252711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117252283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465614 + ... + 1465693.

Almost surely, 2117252280 is an apocalyptic number.

117252280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117252280 is an abundant number, since it is smaller than the sum of its proper divisors (146565440).

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

117252280 is a wasteful number, since it uses less digits than its factorization.

117252280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931318 (or 2931314 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 117252280 is about 10828.3091939601. The cubic root of 117252280 is about 489.4486092475.

The spelling of 117252280 in words is "one hundred seventeen million, two hundred fifty-two thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2931307 5862614 11725228 14656535 23450456 29313070 58626140 117252280