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379143 = 32103409
BaseRepresentation
bin1011100100100000111
3201021002100
41130210013
544113033
612043143
73136242
oct1344407
9637070
10379143
11239946
121634b3
1310375b
149c259
1577513
hex5c907

379143 has 12 divisors (see below), whose sum is σ = 554320. Its totient is φ = 249696.

The previous prime is 379133. The next prime is 379147. The reversal of 379143 is 341973.

It is not a de Polignac number, because 379143 - 214 = 362759 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 (379147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723 + ... + 1131.

2379143 is an apocalyptic number.

379143 is a deficient number, since it is larger than the sum of its proper divisors (175177).

379143 is a wasteful number, since it uses less digits than its factorization.

379143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 515 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 379143 is about 615.7458891458. The cubic root of 379143 is about 72.3770727032.

It can be divided in two parts, 37 and 9143, that added together give a triangular number (9180 = T135).

The spelling of 379143 in words is "three hundred seventy-nine thousand, one hundred forty-three".

Divisors: 1 3 9 103 309 409 927 1227 3681 42127 126381 379143