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247283364 = 22320606947
BaseRepresentation
bin11101011110100…
…11111010100100
3122020022022000010
432233103322210
51001301031424
640312050220
76061605516
oct1657237244
9566268003
10247283364
11117648719
126a993970
133c301023
1424badbb6
1516a99229
hexebd3ea4

247283364 has 12 divisors (see below), whose sum is σ = 576994544. Its totient is φ = 82427784.

The previous prime is 247283357. The next prime is 247283369. The reversal of 247283364 is 463382742.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2472833642 = 122298124222312992, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (247283369) 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, 10303462 + ... + 10303485.

Almost surely, 2247283364 is an apocalyptic number.

It is an amenable number.

247283364 is an abundant number, since it is smaller than the sum of its proper divisors (329711180).

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

247283364 is a wasteful number, since it uses less digits than its factorization.

247283364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20606954 (or 20606952 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 247283364 is about 15725.2460712066. The cubic root of 247283364 is about 627.6703782255.

The spelling of 247283364 in words is "two hundred forty-seven million, two hundred eighty-three thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 20606947 41213894 61820841 82427788 123641682 247283364