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118224040 = 23511893019
BaseRepresentation
bin1110000101111…
…11010010101000
322020110101220011
413002333102220
5220231132130
615421541304
72633613334
oct702772250
9266411804
10118224040
1160809520
1233714834
131b65476c
14119b67c4
15a5a452a
hex70bf4a8

118224040 has 64 divisors (see below), whose sum is σ = 293544000. Its totient is φ = 42493440.

The previous prime is 118224037. The next prime is 118224059. The reversal of 118224040 is 40422811.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37651 + ... + 40669.

It is an arithmetic number, because the mean of its divisors is an integer number (4586625).

Almost surely, 2118224040 is an apocalyptic number.

118224040 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 118224040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146772000).

118224040 is an abundant number, since it is smaller than the sum of its proper divisors (175319960).

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

118224040 is a wasteful number, since it uses less digits than its factorization.

118224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 118224040 is about 10873.0878778754. The cubic root of 118224040 is about 490.7970368597.

Adding to 118224040 its reverse (40422811), we get a palindrome (158646851).

The spelling of 118224040 in words is "one hundred eighteen million, two hundred twenty-four thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 89 110 178 220 356 440 445 712 890 979 1780 1958 3019 3560 3916 4895 6038 7832 9790 12076 15095 19580 24152 30190 33209 39160 60380 66418 120760 132836 166045 265672 268691 332090 537382 664180 1074764 1328360 1343455 2149528 2686910 2955601 5373820 5911202 10747640 11822404 14778005 23644808 29556010 59112020 118224040