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379311293 = 17191116819
BaseRepresentation
bin10110100110111…
…101010010111101
3222102202000021102
4112212331102331
51234100430133
6101345542445
712254043554
oct2646752275
9872660242
10379311293
11185125209
12a7044a25
136077986a
143853ad9b
15234787e8
hex169bd4bd

379311293 has 8 divisors (see below), whose sum is σ = 403729920. Its totient is φ = 355126720.

The previous prime is 379311277. The next prime is 379311341. The reversal of 379311293 is 392113973.

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

It is a cyclic number.

It is not a de Polignac number, because 379311293 - 24 = 379311277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379311253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55163 + ... + 61656.

It is an arithmetic number, because the mean of its divisors is an integer number (50466240).

Almost surely, 2379311293 is an apocalyptic number.

It is an amenable number.

379311293 is a deficient number, since it is larger than the sum of its proper divisors (24418627).

379311293 is a wasteful number, since it uses less digits than its factorization.

379311293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117027.

The product of its digits is 30618, while the sum is 38.

The square root of 379311293 is about 19475.9157165973. The cubic root of 379311293 is about 723.8777996751.

The spelling of 379311293 in words is "three hundred seventy-nine million, three hundred eleven thousand, two hundred ninety-three".

Divisors: 1 17 191 3247 116819 1985923 22312429 379311293