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243096620 = 225138571091
BaseRepresentation
bin11100111110101…
…01110000101100
3121221102120212112
432133111300230
5444213042440
640042223152
76011200334
oct1637256054
9557376775
10243096620
111152490a8
12694b4ab8
133b496470
14244000c4
151651d965
hexe7d5c2c

243096620 has 48 divisors (see below), whose sum is σ = 550918368. Its totient is φ = 89571840.

The previous prime is 243096619. The next prime is 243096653. The reversal of 243096620 is 26690342.

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, 222275 + ... + 223365.

It is an arithmetic number, because the mean of its divisors is an integer number (11477466).

Almost surely, 2243096620 is an apocalyptic number.

243096620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243096620 is an abundant number, since it is smaller than the sum of its proper divisors (307821748).

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

243096620 is a wasteful number, since it uses less digits than its factorization.

243096620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 243096620 is about 15591.5560480665. The cubic root of 243096620 is about 624.1078428282.

The spelling of 243096620 in words is "two hundred forty-three million, ninety-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 857 1091 1714 2182 3428 4285 4364 5455 8570 10910 11141 14183 17140 21820 22282 28366 44564 55705 56732 70915 111410 141830 222820 283660 934987 1869974 3739948 4674935 9349870 12154831 18699740 24309662 48619324 60774155 121548310 243096620