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380937031 = 16319312109
BaseRepresentation
bin10110101101001…
…010001101000111
3222112210121100221
4112231022031013
51240004441111
6101444445211
712303624406
oct2655121507
9875717327
10380937031
111860356a2
12a76a9807
1360bc8837
143884163d
152369a371
hex16b4a347

380937031 has 8 divisors (see below), whose sum is σ = 385291760. Its totient is φ = 376607232.

The previous prime is 380937001. The next prime is 380937047. The reversal of 380937031 is 130739083.

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

It is a cyclic number.

It is not a de Polignac number, because 380937031 - 27 = 380936903 is a prime.

It is a super-2 number, since 2×3809370312 = 290226043174189922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380937001) 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, 25405 + ... + 37513.

It is an arithmetic number, because the mean of its divisors is an integer number (48161470).

Almost surely, 2380937031 is an apocalyptic number.

380937031 is a deficient number, since it is larger than the sum of its proper divisors (4354729).

380937031 is a wasteful number, since it uses less digits than its factorization.

380937031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12465.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 380937031 is about 19517.6082294937. The cubic root of 380937031 is about 724.9105119829.

The spelling of 380937031 in words is "three hundred eighty million, nine hundred thirty-seven thousand, thirty-one".

Divisors: 1 163 193 12109 31459 1973767 2337037 380937031