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236385942 = 23139833083
BaseRepresentation
bin11100001011011…
…11011010010110
3121110210122112220
432011233122112
5441003322232
635242323210
75600150562
oct1605573226
9543718486
10236385942
11111485291
12671b9506
1339c86b50
14235746a2
1515b4542c
hexe16f696

236385942 has 32 divisors (see below), whose sum is σ = 509822208. Its totient is φ = 72636576.

The previous prime is 236385923. The next prime is 236385953. The reversal of 236385942 is 249583632.

It is a junction number, because it is equal to n+sod(n) for n = 236385894 and 236385903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75133 + ... + 78215.

It is an arithmetic number, because the mean of its divisors is an integer number (15931944).

Almost surely, 2236385942 is an apocalyptic number.

236385942 is an abundant number, since it is smaller than the sum of its proper divisors (273436266).

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

236385942 is a wasteful number, since it uses less digits than its factorization.

236385942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084.

The product of its digits is 311040, while the sum is 42.

The square root of 236385942 is about 15374.8477065628. The cubic root of 236385942 is about 618.3113448846.

The spelling of 236385942 in words is "two hundred thirty-six million, three hundred eighty-five thousand, nine hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 983 1966 2949 3083 5898 6166 9249 12779 18498 25558 38337 40079 76674 80158 120237 240474 3030589 6061178 9091767 18183534 39397657 78795314 118192971 236385942