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193924920 = 23357230863
BaseRepresentation
bin10111000111100…
…00111100111000
3111111220101222110
423203300330320
5344121044140
631124252320
74543222530
oct1343607470
9444811873
10193924920
119a513732
1254b410a0
133123b097
141ba804c0
1512059380
hexb8f0f38

193924920 has 64 divisors (see below), whose sum is σ = 664888320. Its totient is φ = 44325504.

The previous prime is 193924919. The next prime is 193924993. The reversal of 193924920 is 29429391.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114592 + ... + 116271.

It is an arithmetic number, because the mean of its divisors is an integer number (10388880).

Almost surely, 2193924920 is an apocalyptic number.

193924920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193924920 is an abundant number, since it is smaller than the sum of its proper divisors (470963400).

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

193924920 is a wasteful number, since it uses less digits than its factorization.

193924920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230884 (or 230880 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 193924920 is about 13925.6928014372. The cubic root of 193924920 is about 578.8213479921.

The spelling of 193924920 in words is "one hundred ninety-three million, nine hundred twenty-four thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 230863 461726 692589 923452 1154315 1385178 1616041 1846904 2308630 2770356 3232082 3462945 4617260 4848123 5540712 6464164 6925890 8080205 9234520 9696246 12928328 13851780 16160410 19392492 24240615 27703560 32320820 38784984 48481230 64641640 96962460 193924920