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830332388 = 22207583097
BaseRepresentation
bin110001011111011…
…101110111100100
32010212102020220102
4301133131313210
53200031114023
6214220523232
726401465064
oct6137356744
92125366812
10830332388
11396779016
121b20b0518
13103043252
147c3c33a4
154cd69628
hex317ddde4

830332388 has 6 divisors (see below), whose sum is σ = 1453081686. Its totient is φ = 415166192.

The previous prime is 830332387. The next prime is 830332403. The reversal of 830332388 is 883233038.

It can be written as a sum of positive squares in only one way, i.e., 737556964 + 92775424 = 27158^2 + 9632^2 .

It is not an unprimeable number, because it can be changed into a prime (830332387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103791545 + ... + 103791552.

It is an arithmetic number, because the mean of its divisors is an integer number (242180281).

Almost surely, 2830332388 is an apocalyptic number.

It is an amenable number.

830332388 is a deficient number, since it is larger than the sum of its proper divisors (622749298).

830332388 is a wasteful number, since it uses less digits than its factorization.

830332388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207583101 (or 207583099 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 830332388 is about 28815.4886823042. The cubic root of 830332388 is about 939.9050711440.

The spelling of 830332388 in words is "eight hundred thirty million, three hundred thirty-two thousand, three hundred eighty-eight".

Divisors: 1 2 4 207583097 415166194 830332388