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118471668 = 22371410377
BaseRepresentation
bin1110000111110…
…11101111110100
322020220222120120
413003323233310
5220312043133
615431131540
72635664310
oct703735764
9266828516
10118471668
1160968577
1233813bb0
131b7103a3
1411a3cb40
15a602ab3
hex70fbbf4

118471668 has 24 divisors (see below), whose sum is σ = 315924672. Its totient is φ = 33849024.

The previous prime is 118471667. The next prime is 118471679. The reversal of 118471668 is 866174811.

It is a super-2 number, since 2×1184716682 = 28071072237404448, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118471667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705105 + ... + 705272.

It is an arithmetic number, because the mean of its divisors is an integer number (13163528).

Almost surely, 2118471668 is an apocalyptic number.

It is an amenable number.

118471668 is an abundant number, since it is smaller than the sum of its proper divisors (197453004).

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

118471668 is a wasteful number, since it uses less digits than its factorization.

118471668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410391 (or 1410389 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 118471668 is about 10884.4691188868. The cubic root of 118471668 is about 491.1394667435.

The spelling of 118471668 in words is "one hundred eighteen million, four hundred seventy-one thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1410377 2820754 4231131 5641508 8462262 9872639 16924524 19745278 29617917 39490556 59235834 118471668