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243104920 = 2358277349
BaseRepresentation
bin11100111110101…
…11110010011000
3121221110000020221
432133113302120
5444213324140
640042325424
76011233462
oct1637276230
9557400227
10243104920
11115254363
12694b9874
133b49a186
1424403132
151652114a
hexe7d7c98

243104920 has 32 divisors (see below), whose sum is σ = 547722000. Its totient is φ = 97111168.

The previous prime is 243104899. The next prime is 243104933. The reversal of 243104920 is 29401342.

243104920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29406 + ... + 36754.

Almost surely, 2243104920 is an apocalyptic number.

243104920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243104920 is an abundant number, since it is smaller than the sum of its proper divisors (304617080).

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

243104920 is a wasteful number, since it uses less digits than its factorization.

243104920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187 (or 8183 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 243104920 is about 15591.8222155077. The cubic root of 243104920 is about 624.1149456778.

The spelling of 243104920 in words is "two hundred forty-three million, one hundred four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 827 1654 3308 4135 6616 7349 8270 14698 16540 29396 33080 36745 58792 73490 146980 293960 6077623 12155246 24310492 30388115 48620984 60776230 121552460 243104920