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830040508 = 221118864557
BaseRepresentation
bin110001011110010…
…110100110111100
32010211212102112001
4301132112212330
53144442244013
6214210352044
726366141113
oct6136264674
92124772461
10830040508
113965997a0
121b1b8b624
13102c7043b
147c348c7a
154cd0cddd
hex317969bc

830040508 has 12 divisors (see below), whose sum is σ = 1584622872. Its totient is φ = 377291120.

The previous prime is 830040503. The next prime is 830040509. The reversal of 830040508 is 805040038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830040503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9432235 + ... + 9432322.

It is an arithmetic number, because the mean of its divisors is an integer number (132051906).

Almost surely, 2830040508 is an apocalyptic number.

It is an amenable number.

830040508 is a deficient number, since it is larger than the sum of its proper divisors (754582364).

830040508 is a wasteful number, since it uses less digits than its factorization.

830040508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18864572 (or 18864570 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 830040508 is about 28810.4235998015. The cubic root of 830040508 is about 939.7949258384.

The spelling of 830040508 in words is "eight hundred thirty million, forty thousand, five hundred eight".

Divisors: 1 2 4 11 22 44 18864557 37729114 75458228 207510127 415020254 830040508