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830145832 = 23103768229
BaseRepresentation
bin110001011110110…
…000010100101000
32010212001202222221
4301132300110220
53200004131312
6214212523424
726400060145
oct6136602450
92125052887
10830145832
1139666093a
121b2020574
13102ca9369
147c3753cc
154cd2e207
hex317b0528

830145832 has 8 divisors (see below), whose sum is σ = 1556523450. Its totient is φ = 415072912.

The previous prime is 830145817. The next prime is 830145859. The reversal of 830145832 is 238541038.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 502028836 + 328116996 = 22406^2 + 18114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51884107 + ... + 51884122.

Almost surely, 2830145832 is an apocalyptic number.

It is an amenable number.

830145832 is a deficient number, since it is larger than the sum of its proper divisors (726377618).

830145832 is a wasteful number, since it uses less digits than its factorization.

830145832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103768235 (or 103768231 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 830145832 is about 28812.2514219212. The cubic root of 830145832 is about 939.8346744103.

The spelling of 830145832 in words is "eight hundred thirty million, one hundred forty-five thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 103768229 207536458 415072916 830145832