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380946231 = 3242327359
BaseRepresentation
bin10110101101001…
…100011100110111
3222112211001222200
4112231030130313
51240010234411
6101444555543
712303663261
oct2655143467
9875731880
10380946231
111860415a6
12a76b2bb3
1360bcca93
1438844b31
152369ce56
hex16b4c737

380946231 has 6 divisors (see below), whose sum is σ = 550255680. Its totient is φ = 253964148.

The previous prime is 380946229. The next prime is 380946277. The reversal of 380946231 is 132649083.

380946231 is a `hidden beast` number, since 380 + 9 + 46 + 231 = 666.

It is not a de Polignac number, because 380946231 - 21 = 380946229 is a prime.

It is a super-2 number, since 2×3809462312 = 290240061826210722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380946031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21163671 + ... + 21163688.

It is an arithmetic number, because the mean of its divisors is an integer number (91709280).

Almost surely, 2380946231 is an apocalyptic number.

380946231 is a deficient number, since it is larger than the sum of its proper divisors (169309449).

380946231 is a wasteful number, since it uses less digits than its factorization.

380946231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42327365 (or 42327362 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 380946231 is about 19517.8439126867. The cubic root of 380946231 is about 724.9163477007.

The spelling of 380946231 in words is "three hundred eighty million, nine hundred forty-six thousand, two hundred thirty-one".

Divisors: 1 3 9 42327359 126982077 380946231