Search a number
-
+
117945432 = 233211148921
BaseRepresentation
bin1110000011110…
…11010001011000
322012221020201100
413001323101120
5220143223212
615411551400
72631343143
oct701732130
9265836640
10117945432
1160639170
12335bb560
131b5879c7
141194305a
15a54bbdc
hex707b458

117945432 has 48 divisors (see below), whose sum is σ = 348477480. Its totient is φ = 35740800.

The previous prime is 117945389. The next prime is 117945437. The reversal of 117945432 is 234549711.

117945432 is a `hidden beast` number, since 1 + 179 + 454 + 32 = 666.

It is a super-2 number, since 2×1179454322 = 27822249859333248, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117945437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73669 + ... + 75252.

Almost surely, 2117945432 is an apocalyptic number.

117945432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117945432 is an abundant number, since it is smaller than the sum of its proper divisors (230532048).

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

117945432 is a wasteful number, since it uses less digits than its factorization.

117945432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148944 (or 148937 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 117945432 is about 10860.2685049680. The cubic root of 117945432 is about 490.4111944767.

It can be divided in two parts, 117 and 945432, that added together give a palindrome (945549).

The spelling of 117945432 in words is "one hundred seventeen million, nine hundred forty-five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 148921 297842 446763 595684 893526 1191368 1340289 1638131 1787052 2680578 3276262 3574104 4914393 5361156 6552524 9828786 10722312 13105048 14743179 19657572 29486358 39315144 58972716 117945432