Search a number
-
+
379194639 = 31716094621
BaseRepresentation
bin10110100110100…
…000110100001111
3222102112002020220
4112212200310033
51234033212024
6101343242423
712253046505
oct2646406417
9872462226
10379194639
111850555aa
12a6ba9413
1360738735
143850a675
1523453e79
hex169a0d0f

379194639 has 16 divisors (see below), whose sum is σ = 535782240. Its totient is φ = 237726720.

The previous prime is 379194617. The next prime is 379194643. The reversal of 379194639 is 936491973.

It is not a de Polignac number, because 379194639 - 213 = 379186447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 379194591 and 379194600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379194649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79749 + ... + 84369.

It is an arithmetic number, because the mean of its divisors is an integer number (33486390).

Almost surely, 2379194639 is an apocalyptic number.

379194639 is a deficient number, since it is larger than the sum of its proper divisors (156587601).

379194639 is a wasteful number, since it uses less digits than its factorization.

379194639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250.

The product of its digits is 1102248, while the sum is 51.

The square root of 379194639 is about 19472.9206592129. The cubic root of 379194639 is about 723.8035845555.

The spelling of 379194639 in words is "three hundred seventy-nine million, one hundred ninety-four thousand, six hundred thirty-nine".

Divisors: 1 3 17 51 1609 4621 4827 13863 27353 78557 82059 235671 7435189 22305567 126398213 379194639