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379507893 = 3518924379
BaseRepresentation
bin10110100111101…
…101010010110101
3222110002222221220
4112213231102311
51234123223033
6101354100553
712255523002
oct2647552265
9873088856
10379507893
11185249996
12a711a759
13608181ab
143858c8a9
15234b6bb3
hex169ed4b5

379507893 has 8 divisors (see below), whose sum is σ = 506128800. Its totient is φ = 252946128.

The previous prime is 379507879. The next prime is 379507897. The reversal of 379507893 is 398705973.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 379507893 - 214 = 379491509 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379507897) 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 7 ways as a sum of consecutive naturals, for example, 3378 + ... + 27756.

It is an arithmetic number, because the mean of its divisors is an integer number (63266100).

Almost surely, 2379507893 is an apocalyptic number.

It is an amenable number.

379507893 is a deficient number, since it is larger than the sum of its proper divisors (126620907).

379507893 is a wasteful number, since it uses less digits than its factorization.

379507893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29571.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 379507893 is about 19480.9623222263. The cubic root of 379507893 is about 724.0028419096.

The spelling of 379507893 in words is "three hundred seventy-nine million, five hundred seven thousand, eight hundred ninety-three".

Divisors: 1 3 5189 15567 24379 73137 126502631 379507893