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432278113 = 1741248293
BaseRepresentation
bin11001110001000…
…000101001100001
31010010102000002111
4121301000221201
51341130344423
6110521115321
713466206021
oct3161005141
91103360074
10432278113
11202011a43
12100928b41
136b733487
14415a7a81
1527e3c60d
hex19c40a61

432278113 has 4 divisors (see below), whose sum is σ = 432528148. Its totient is φ = 432028080.

The previous prime is 432278111. The next prime is 432278117. The reversal of 432278113 is 311872234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311872234 = 2155936117.

It can be written as a sum of positive squares in 2 ways, for example, as 208715809 + 223562304 = 14447^2 + 14952^2 .

It is a cyclic number.

It is not a de Polignac number, because 432278113 - 21 = 432278111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432278111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122406 + ... + 125887.

It is an arithmetic number, because the mean of its divisors is an integer number (108132037).

Almost surely, 2432278113 is an apocalyptic number.

It is an amenable number.

432278113 is a deficient number, since it is larger than the sum of its proper divisors (250035).

432278113 is a wasteful number, since it uses less digits than its factorization.

432278113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250034.

The product of its digits is 8064, while the sum is 31.

The square root of 432278113 is about 20791.2989733686. The cubic root of 432278113 is about 756.1148175555.

The spelling of 432278113 in words is "four hundred thirty-two million, two hundred seventy-eight thousand, one hundred thirteen".

Divisors: 1 1741 248293 432278113