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380215023 = 31948713697
BaseRepresentation
bin10110101010011…
…001111011101111
3222111102220221220
4112222121323233
51234313340043
6101421154423
712264526416
oct2652317357
9874386856
10380215023
111856921a1
12a73bba13
1360a05006
14386d447d
15235a6483
hex16a99eef

380215023 has 16 divisors (see below), whose sum is σ = 534769920. Its totient is φ = 239625216.

The previous prime is 380215021. The next prime is 380215063. The reversal of 380215023 is 320512083.

It is not a de Polignac number, because 380215023 - 21 = 380215021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380214984 and 380215002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380215021) 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 15 ways as a sum of consecutive naturals, for example, 20911 + ... + 34607.

It is an arithmetic number, because the mean of its divisors is an integer number (33423120).

Almost surely, 2380215023 is an apocalyptic number.

380215023 is a deficient number, since it is larger than the sum of its proper divisors (154554897).

380215023 is a wasteful number, since it uses less digits than its factorization.

380215023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 380215023 is about 19499.1031332213. The cubic root of 380215023 is about 724.4522365863.

The spelling of 380215023 in words is "three hundred eighty million, two hundred fifteen thousand, twenty-three".

Divisors: 1 3 19 57 487 1461 9253 13697 27759 41091 260243 780729 6670439 20011317 126738341 380215023