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8830243920 = 2435191936457
BaseRepresentation
bin10000011100101001…
…01101010001010000
3211210101122212110010
420032110231101100
5121041020301140
64020114434520
7431551556241
oct101624552120
924711585403
108830243920
113821495a53
121865292a40
13aa9555004
145daa66cc8
1536a348880
hex20e52d450

8830243920 has 80 divisors (see below), whose sum is σ = 28814495040. Its totient is φ = 2230797312.

The previous prime is 8830243907. The next prime is 8830243963. The reversal of 8830243920 is 293420388.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 963669 + ... + 972788.

It is an arithmetic number, because the mean of its divisors is an integer number (360181188).

Almost surely, 28830243920 is an apocalyptic number.

8830243920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8830243920 is an abundant number, since it is smaller than the sum of its proper divisors (19984251120).

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

8830243920 is a wasteful number, since it uses less digits than its factorization.

8830243920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936492 (or 1936486 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 8830243920 is about 93969.3775652473. The cubic root of 8830243920 is about 2066.9226929893.

The spelling of 8830243920 in words is "eight billion, eight hundred thirty million, two hundred forty-three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 1936457 3872914 5809371 7745828 9682285 11618742 15491656 19364570 23237484 29046855 30983312 36792683 38729140 46474968 58093710 73585366 77458280 92949936 110378049 116187420 147170732 154916560 183963415 220756098 232374840 294341464 367926830 441512196 464749680 551890245 588682928 735853660 883024392 1103780490 1471707320 1766048784 2207560980 2943414640 4415121960 8830243920