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380562231 = 37311274603
BaseRepresentation
bin10110101011101…
…110101100110111
3222112002120020110
4112223232230313
51234410442411
6101432434103
712300503610
oct2653565467
9875076213
10380562231
111858aa045
12a7548933
1360ac706a
1438784c07
15236242a6
hex16aeeb37

380562231 has 32 divisors (see below), whose sum is σ = 603455488. Its totient is φ = 208746720.

The previous prime is 380562223. The next prime is 380562239. The reversal of 380562231 is 132265083.

It is an interprime number because it is at equal distance from previous prime (380562223) and next prime (380562239).

It is not a de Polignac number, because 380562231 - 23 = 380562223 is a prime.

It is a super-2 number, since 2×3805622312 = 289655223327394722, 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 (380562239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80376 + ... + 84978.

It is an arithmetic number, because the mean of its divisors is an integer number (18857984).

Almost surely, 2380562231 is an apocalyptic number.

380562231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

380562231 is a deficient number, since it is larger than the sum of its proper divisors (222893257).

380562231 is a wasteful number, since it uses less digits than its factorization.

380562231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 380562231 is about 19508.0042802948. The cubic root of 380562231 is about 724.6726899870.

The spelling of 380562231 in words is "three hundred eighty million, five hundred sixty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 31 93 127 217 381 651 889 2667 3937 4603 11811 13809 27559 32221 82677 96663 142693 428079 584581 998851 1753743 2996553 4092067 12276201 18122011 54366033 126854077 380562231