Search a number
-
+
239194490 = 2523919449
BaseRepresentation
bin11100100000111…
…01000101111010
3121200002100011012
432100131011322
5442213210430
635422433522
75633056013
oct1620350572
9550070135
10239194490
111130233a7
12681328a2
133a72b302
1423aa600a
1515eec695
hexe41d17a

239194490 has 8 divisors (see below), whose sum is σ = 430550100. Its totient is φ = 95677792.

The previous prime is 239194447. The next prime is 239194499. The reversal of 239194490 is 94491932.

239194490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202749121 + 36445369 = 14239^2 + 6037^2 .

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

It is not an unprimeable number, because it can be changed into a prime (239194499) 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, 11959715 + ... + 11959734.

Almost surely, 2239194490 is an apocalyptic number.

239194490 is a deficient number, since it is larger than the sum of its proper divisors (191355610).

239194490 is a wasteful number, since it uses less digits than its factorization.

239194490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23919456.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 239194490 is about 15465.9138107000. The cubic root of 239194490 is about 620.7504700101.

The spelling of 239194490 in words is "two hundred thirty-nine million, one hundred ninety-four thousand, four hundred ninety".

Divisors: 1 2 5 10 23919449 47838898 119597245 239194490