Search a number
-
+
239188968 = 23323322069
BaseRepresentation
bin11100100000110…
…11101111101000
3121200002001120200
432100123233220
5442213021333
635422352200
75633033634
oct1620335750
9550061520
10239188968
1111301a237
126812b660
133a728945
1423aa3dc4
1515eeac13
hexe41bbe8

239188968 has 24 divisors (see below), whose sum is σ = 647803650. Its totient is φ = 79729632.

The previous prime is 239188951. The next prime is 239188987. The reversal of 239188968 is 869881932.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 203404644 + 35784324 = 14262^2 + 5982^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2391889682 = 114422724825810048, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1660963 + ... + 1661106.

Almost surely, 2239188968 is an apocalyptic number.

It is an amenable number.

239188968 is an abundant number, since it is smaller than the sum of its proper divisors (408614682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239188968 is a wasteful number, since it uses less digits than its factorization.

239188968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322081 (or 3322074 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 239188968 is about 15465.7352880489. The cubic root of 239188968 is about 620.7456931296.

The spelling of 239188968 in words is "two hundred thirty-nine million, one hundred eighty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3322069 6644138 9966207 13288276 19932414 26576552 29898621 39864828 59797242 79729656 119594484 239188968