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38041998 = 236739421
BaseRepresentation
bin1001000100011…
…1100110001110
32122120201210220
42101013212032
534214320443
63435212210
7641231421
oct221074616
978521726
1038041998
111a523575
12108a7066
137b5c577
1450a39b8
153516a83
hex244798e

38041998 has 16 divisors (see below), whose sum is σ = 76205136. Its totient is φ = 12660480.

The previous prime is 38041963. The next prime is 38042003. The reversal of 38041998 is 89914083.

It is a super-2 number, since 2×380419982 = 2894387223664008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673 + ... + 8748.

It is an arithmetic number, because the mean of its divisors is an integer number (4762821).

Almost surely, 238041998 is an apocalyptic number.

38041998 is an abundant number, since it is smaller than the sum of its proper divisors (38163138).

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

38041998 is a wasteful number, since it uses less digits than its factorization.

38041998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 38041998 is about 6167.8195498896. The cubic root of 38041998 is about 336.3213514324.

The spelling of 38041998 in words is "thirty-eight million, forty-one thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 673 1346 2019 4038 9421 18842 28263 56526 6340333 12680666 19020999 38041998