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234438486 = 23296313187
BaseRepresentation
bin11011111100100…
…11111101010110
3121100010201010220
431332103331112
5440004012421
635132455210
75544460062
oct1576237526
9540121126
10234438486
11110375117
126661a506
13397545c9
14231c8aa2
15158ad3c6
hexdf93f56

234438486 has 16 divisors (see below), whose sum is σ = 469070784. Its totient is φ = 78113864.

The previous prime is 234438467. The next prime is 234438487. The reversal of 234438486 is 684834432.

It is a super-2 number, since 2×2344384862 = 109922807435944392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234438487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11185 + ... + 24371.

It is an arithmetic number, because the mean of its divisors is an integer number (29316924).

Almost surely, 2234438486 is an apocalyptic number.

234438486 is an abundant number, since it is smaller than the sum of its proper divisors (234632298).

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

234438486 is a wasteful number, since it uses less digits than its factorization.

234438486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155.

The product of its digits is 442368, while the sum is 42.

The square root of 234438486 is about 15311.3841960810. The cubic root of 234438486 is about 616.6086828688.

The spelling of 234438486 in words is "two hundred thirty-four million, four hundred thirty-eight thousand, four hundred eighty-six".

Divisors: 1 2 3 6 2963 5926 8889 13187 17778 26374 39561 79122 39073081 78146162 117219243 234438486