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239389070 = 251710912919
BaseRepresentation
bin11100100010011…
…00100110001110
3121200110020001212
432101030212032
5442240422240
635430534422
75634526214
oct1621144616
9550406055
10239389070
11113146608
1268207412
133a798a4b
1423b16cb4
151603a165
hexe44c98e

239389070 has 32 divisors (see below), whose sum is σ = 460468800. Its totient is φ = 89289216.

The previous prime is 239389063. The next prime is 239389079. The reversal of 239389070 is 70983932.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239389079) 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 15 ways as a sum of consecutive naturals, for example, 12071 + ... + 24989.

It is an arithmetic number, because the mean of its divisors is an integer number (14389650).

Almost surely, 2239389070 is an apocalyptic number.

239389070 is a deficient number, since it is larger than the sum of its proper divisors (221079730).

239389070 is a wasteful number, since it uses less digits than its factorization.

239389070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 239389070 is about 15472.2031398247. The cubic root of 239389070 is about 620.9187471430.

The spelling of 239389070 in words is "two hundred thirty-nine million, three hundred eighty-nine thousand, seventy".

Divisors: 1 2 5 10 17 34 85 109 170 218 545 1090 1853 3706 9265 12919 18530 25838 64595 129190 219623 439246 1098115 1408171 2196230 2816342 7040855 14081710 23938907 47877814 119694535 239389070