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834130644 = 223151460337
BaseRepresentation
bin110001101101111…
…101001011010100
32011010120020010120
4301231331023110
53202014140034
6214434151540
726445664524
oct6155751324
92133506116
10834130644
11398932776
121b34225b0
13103a73039
147cad1684
154d369c49
hex31b7d2d4

834130644 has 24 divisors (see below), whose sum is σ = 1959198528. Its totient is φ = 276201600.

The previous prime is 834130639. The next prime is 834130663. The reversal of 834130644 is 446031438.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228357 + ... + 231980.

It is an arithmetic number, because the mean of its divisors is an integer number (81633272).

Almost surely, 2834130644 is an apocalyptic number.

It is an amenable number.

834130644 is an abundant number, since it is smaller than the sum of its proper divisors (1125067884).

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

834130644 is a wasteful number, since it uses less digits than its factorization.

834130644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460495 (or 460493 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 834130644 is about 28881.3199836850. The cubic root of 834130644 is about 941.3360524420.

The spelling of 834130644 in words is "eight hundred thirty-four million, one hundred thirty thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 151 302 453 604 906 1812 460337 920674 1381011 1841348 2762022 5524044 69510887 139021774 208532661 278043548 417065322 834130644