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239242894 = 2112988607
BaseRepresentation
bin11100100001010…
…00111010001110
3121200011210112221
432100220322032
5442221233034
635423445554
75633350102
oct1620507216
9550153487
10239242894
11113056800
12681568ba
133a747357
1423ab9902
151600bbb4
hexe428e8e

239242894 has 12 divisors (see below), whose sum is σ = 394454592. Its totient is φ = 108746660.

The previous prime is 239242891. The next prime is 239242937. The reversal of 239242894 is 498242932.

It is a self number, because there is not a number n which added to its sum of digits gives 239242894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239242891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 494062 + ... + 494545.

It is an arithmetic number, because the mean of its divisors is an integer number (32871216).

Almost surely, 2239242894 is an apocalyptic number.

239242894 is a deficient number, since it is larger than the sum of its proper divisors (155211698).

239242894 is a wasteful number, since it uses less digits than its factorization.

239242894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988631 (or 988620 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 239242894 is about 15467.4785921947. The cubic root of 239242894 is about 620.7923393959.

The spelling of 239242894 in words is "two hundred thirty-nine million, two hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 11 22 121 242 988607 1977214 10874677 21749354 119621447 239242894