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118412740 = 22523475477
BaseRepresentation
bin1110000111011…
…01010111000100
322020210222202001
413003231113010
5220303201430
615425555044
72635330435
oct703552704
9266728661
10118412740
1160928276
12337a5a84
131b6bc614
1411a2548c
15a5e03ca
hex70ed5c4

118412740 has 48 divisors (see below), whose sum is σ = 265047552. Its totient is φ = 44333696.

The previous prime is 118412737. The next prime is 118412741. The reversal of 118412740 is 47214811.

It is a junction number, because it is equal to n+sod(n) for n = 118412699 and 118412708.

It is not an unprimeable number, because it can be changed into a prime (118412741) 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, 18882 + ... + 24358.

It is an arithmetic number, because the mean of its divisors is an integer number (5521824).

Almost surely, 2118412740 is an apocalyptic number.

118412740 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 118412740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132523776).

118412740 is an abundant number, since it is smaller than the sum of its proper divisors (146634812).

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

118412740 is a wasteful number, since it uses less digits than its factorization.

118412740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556 (or 5554 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 118412740 is about 10881.7618058842. The cubic root of 118412740 is about 491.0580220491.

It can be divided in two parts, 1184 and 12740, that added together give a square (13924 = 1182).

The spelling of 118412740 in words is "one hundred eighteen million, four hundred twelve thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 23 46 47 92 94 115 188 230 235 460 470 940 1081 2162 4324 5405 5477 10810 10954 21620 21908 27385 54770 109540 125971 251942 257419 503884 514838 629855 1029676 1259710 1287095 2519420 2574190 5148380 5920637 11841274 23682548 29603185 59206370 118412740