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118668342 = 23134193631
BaseRepresentation
bin1110001001010…
…11110000110110
322021021222100210
413010223300312
5220334341332
615435250250
72640443562
oct704536066
9267258323
10118668342
1160a92311
12338a9986
131b77ba70
1411a906a2
15a640ecc
hex712bc36

118668342 has 32 divisors (see below), whose sum is σ = 256273920. Its totient is φ = 36416160.

The previous prime is 118668307. The next prime is 118668343. The reversal of 118668342 is 243866811.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 118668342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118668343) 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, 30867 + ... + 34497.

It is an arithmetic number, because the mean of its divisors is an integer number (8008560).

Almost surely, 2118668342 is an apocalyptic number.

It is a pronic number, being equal to 10893×10894.

118668342 is an abundant number, since it is smaller than the sum of its proper divisors (137605578).

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

118668342 is a wasteful number, since it uses less digits than its factorization.

118668342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068.

The product of its digits is 55296, while the sum is 39.

The square root of 118668342 is about 10893.4999885253. The cubic root of 118668342 is about 491.4110955711.

The spelling of 118668342 in words is "one hundred eighteen million, six hundred sixty-eight thousand, three hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 419 838 1257 2514 3631 5447 7262 10893 10894 16341 21786 32682 47203 94406 141609 283218 1521389 3042778 4564167 9128334 19778057 39556114 59334171 118668342