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864830464 = 2109192
BaseRepresentation
bin110011100011000…
…100010000000000
32020021022221100221
4303203010100000
53232344033324
6221452152424
730300636421
oct6343042000
92207287327
10864830464
114041a0a23
12201768714
1310a231704
1482c03648
1550dd10e4
hex338c4400

864830464 has 33 divisors (see below), whose sum is σ = 1730699607. Its totient is φ = 431944704.

The previous prime is 864830441. The next prime is 864830479. The reversal of 864830464 is 464038468.

The square root of 864830464 is 29408.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 864830464.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 940597 + ... + 941515.

Almost surely, 2864830464 is an apocalyptic number.

864830464 is the 29408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864830464

864830464 is an abundant number, since it is smaller than the sum of its proper divisors (865869143).

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

864830464 is an frugal number, since it uses more digits than its factorization.

864830464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The cubic root of 864830464 is about 952.7456907370.

The spelling of 864830464 in words is "eight hundred sixty-four million, eight hundred thirty thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 919 1024 1838 3676 7352 14704 29408 58816 117632 235264 470528 844561 941056 1689122 3378244 6756488 13512976 27025952 54051904 108103808 216207616 432415232 864830464