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380140131 = 3746339097
BaseRepresentation
bin10110101010000…
…111101001100011
3222111022010020010
4112222013221203
51234303441011
6101415420003
712264065160
oct2652075143
9874263203
10380140131
111856409a8
12a7384603
13609a9bb7
14386b5067
152358e1a6
hex16a87a63

380140131 has 16 divisors (see below), whose sum is σ = 580527104. Its totient is φ = 216748224.

The previous prime is 380140129. The next prime is 380140133. The reversal of 380140131 is 131041083.

It is an interprime number because it is at equal distance from previous prime (380140129) and next prime (380140133).

It is not a de Polignac number, because 380140131 - 21 = 380140129 is a prime.

It is a super-2 number, since 2×3801401312 = 289013038393394322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380140098 and 380140107.

It is not an unprimeable number, because it can be changed into a prime (380140133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9826 + ... + 29271.

It is an arithmetic number, because the mean of its divisors is an integer number (36282944).

Almost surely, 2380140131 is an apocalyptic number.

380140131 is a deficient number, since it is larger than the sum of its proper divisors (200386973).

380140131 is a wasteful number, since it uses less digits than its factorization.

380140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39570.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 380140131 is about 19497.1826426281. The cubic root of 380140131 is about 724.4046676790.

The spelling of 380140131 in words is "three hundred eighty million, one hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 7 21 463 1389 3241 9723 39097 117291 273679 821037 18101911 54305733 126713377 380140131