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38081742 = 236346957
BaseRepresentation
bin1001000101000…
…1010011001110
32122122202022220
42101101103032
534222103432
63440120210
7641455326
oct221212316
978582286
1038081742
111a550416
1210906066
137b7469a
1450b4286
15352372c
hex24514ce

38081742 has 8 divisors (see below), whose sum is σ = 76163496. Its totient is φ = 12693912.

The previous prime is 38081741. The next prime is 38081749. The reversal of 38081742 is 24718083.

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

38081742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38081741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3173473 + ... + 3173484.

It is an arithmetic number, because the mean of its divisors is an integer number (9520437).

Almost surely, 238081742 is an apocalyptic number.

38081742 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.

38081742 is a wasteful number, since it uses less digits than its factorization.

38081742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346962.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 38081742 is about 6171.0405929632. The cubic root of 38081742 is about 336.4384334669.

The spelling of 38081742 in words is "thirty-eight million, eighty-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 6346957 12693914 19040871 38081742