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331430464 = 2647110183
BaseRepresentation
bin10011110000010…
…011101001000000
3212002122102010101
4103300103221000
51134321233324
652515412144
711133053401
oct2360235100
9762572111
10331430464
111600a1682
1292bb4054
1353883c01
14320359a8
151e16b944
hex13c13a40

331430464 has 28 divisors (see below), whose sum is σ = 671681664. Its totient is φ = 162187904.

The previous prime is 331430461. The next prime is 331430479. The reversal of 331430464 is 464034133.

331430464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (331430461) 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, 52084 + ... + 58099.

Almost surely, 2331430464 is an apocalyptic number.

It is an amenable number.

331430464 is an abundant number, since it is smaller than the sum of its proper divisors (340251200).

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

331430464 is a wasteful number, since it uses less digits than its factorization.

331430464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110242 (or 110232 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 331430464 is about 18205.2317755089. The cubic root of 331430464 is about 692.0393798521.

Adding to 331430464 its reverse (464034133), we get a palindrome (795464597).

The spelling of 331430464 in words is "three hundred thirty-one million, four hundred thirty thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 47 64 94 188 376 752 1504 3008 110183 220366 440732 881464 1762928 3525856 5178601 7051712 10357202 20714404 41428808 82857616 165715232 331430464