Search a number
-
+
118937490 = 23572931933
BaseRepresentation
bin1110001011011…
…01011110010010
322021210122120020
413011231132102
5220421444430
615445124310
72642644350
oct705553622
9267718506
10118937490
1161156551
12339b9696
131b844419
1411b207d0
15a695b10
hex716d792

118937490 has 64 divisors (see below), whose sum is σ = 327511296. Its totient is φ = 27078912.

The previous prime is 118937477. The next prime is 118937519. The reversal of 118937490 is 94739811.

It is a happy number.

It is a super-2 number, since 2×1189374902 = 28292253055000200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60564 + ... + 62496.

It is an arithmetic number, because the mean of its divisors is an integer number (5117364).

Almost surely, 2118937490 is an apocalyptic number.

118937490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118937490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163755648).

118937490 is an abundant number, since it is smaller than the sum of its proper divisors (208573806).

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

118937490 is a wasteful number, since it uses less digits than its factorization.

118937490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 118937490 is about 10905.8465971239. The cubic root of 118937490 is about 491.7823331559.

The spelling of 118937490 in words is "one hundred eighteen million, nine hundred thirty-seven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 293 586 879 1465 1758 1933 2051 2930 3866 4102 4395 5799 6153 8790 9665 10255 11598 12306 13531 19330 20510 27062 28995 30765 40593 57990 61530 67655 81186 135310 202965 405930 566369 1132738 1699107 2831845 3398214 3964583 5663690 7929166 8495535 11893749 16991070 19822915 23787498 39645830 59468745 118937490