Search a number
-
+
379950189 = 3197963997
BaseRepresentation
bin10110101001011…
…001010001101101
3222110221110200020
4112221121101231
51234231401224
6101411352353
712262344333
oct2651312155
9873843606
10379950189
11185521223
12a72b26b9
13609415c8
1438665b53
1523552c79
hex16a5946d

379950189 has 8 divisors (see below), whose sum is σ = 506864160. Its totient is φ = 253168176.

The previous prime is 379950169. The next prime is 379950203. The reversal of 379950189 is 981059973.

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 379950189 - 213 = 379941997 is a prime.

It is a super-2 number, since 2×3799501892 = 288724292242271442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379950169) 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, 26062 + ... + 37935.

It is an arithmetic number, because the mean of its divisors is an integer number (63358020).

Almost surely, 2379950189 is an apocalyptic number.

It is an amenable number.

379950189 is a deficient number, since it is larger than the sum of its proper divisors (126913971).

379950189 is a wasteful number, since it uses less digits than its factorization.

379950189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65979.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 379950189 is about 19492.3110225545. The cubic root of 379950189 is about 724.2839948151.

The spelling of 379950189 in words is "three hundred seventy-nine million, nine hundred fifty thousand, one hundred eighty-nine".

Divisors: 1 3 1979 5937 63997 191991 126650063 379950189