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190379 = 727197
BaseRepresentation
bin101110011110101011
3100200011002
4232132223
522043004
64025215
71422020
oct563653
9320132
10190379
11120042
129220b
1368867
144d547
153b61e
hex2e7ab

190379 has 4 divisors (see below), whose sum is σ = 217584. Its totient is φ = 163176.

The previous prime is 190369. The next prime is 190387. The reversal of 190379 is 973091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190379 - 212 = 186283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13592 + ... + 13605.

It is an arithmetic number, because the mean of its divisors is an integer number (54396).

2190379 is an apocalyptic number.

190379 is a deficient number, since it is larger than the sum of its proper divisors (27205).

190379 is an equidigital number, since it uses as much as digits as its factorization.

190379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27204.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 190379 is about 436.3244205863. The cubic root of 190379 is about 57.5271705239.

It can be divided in two parts, 190 and 379, that multiplied together give a triangular number (72010 = T379).

The spelling of 190379 in words is "one hundred ninety thousand, three hundred seventy-nine".

Divisors: 1 7 27197 190379