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38135418 = 236355903
BaseRepresentation
bin1001000101111…
…0011001111010
32122202110221220
42101132121322
534230313133
63441212510
7642100656
oct221363172
978673856
1038135418
111a587782
1210931136
137b92c49
1450c9a66
1535345b3
hex245e67a

38135418 has 8 divisors (see below), whose sum is σ = 76270848. Its totient is φ = 12711804.

The previous prime is 38135411. The next prime is 38135467. The reversal of 38135418 is 81453183.

It is a sphenic number, since it is the product of 3 distinct primes.

38135418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38135411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3177946 + ... + 3177957.

It is an arithmetic number, because the mean of its divisors is an integer number (9533856).

Almost surely, 238135418 is an apocalyptic number.

38135418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38135418 is a wasteful number, since it uses less digits than its factorization.

38135418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355908.

The product of its digits is 11520, while the sum is 33.

The square root of 38135418 is about 6175.3880849709. The cubic root of 38135418 is about 336.5964286155.

The spelling of 38135418 in words is "thirty-eight million, one hundred thirty-five thousand, four hundred eighteen".

Divisors: 1 2 3 6 6355903 12711806 19067709 38135418