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380061715 = 51115145763
BaseRepresentation
bin10110101001110…
…100100000010011
3222111011010122211
4112221310200103
51234243433330
6101414012551
712263320435
oct2651644023
9874133584
10380061715
11185597aa0
12a7347157
13609802b7
1438694655
1523575d2a
hex16a74813

380061715 has 16 divisors (see below), whose sum is σ = 500841216. Its totient is φ = 274572000.

The previous prime is 380061713. The next prime is 380061739. The reversal of 380061715 is 517160083.

It is not a de Polignac number, because 380061715 - 21 = 380061713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380061713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14577 + ... + 31186.

It is an arithmetic number, because the mean of its divisors is an integer number (31302576).

Almost surely, 2380061715 is an apocalyptic number.

380061715 is a deficient number, since it is larger than the sum of its proper divisors (120779501).

380061715 is a wasteful number, since it uses less digits than its factorization.

380061715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45930.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 380061715 is about 19495.1715817020. The cubic root of 380061715 is about 724.3548537479.

The spelling of 380061715 in words is "three hundred eighty million, sixty-one thousand, seven hundred fifteen".

Divisors: 1 5 11 55 151 755 1661 8305 45763 228815 503393 2516965 6910213 34551065 76012343 380061715