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247350433 = 11199112997
BaseRepresentation
bin11101011111001…
…00010010100001
3122020102201000011
432233210102201
51001310203213
640313324521
76062305201
oct1657442241
9566381004
10247350433
11117694050
126aa06741
133c325705
1424bca401
1516aae03d
hexebe44a1

247350433 has 8 divisors (see below), whose sum is σ = 271195200. Its totient is φ = 223732080.

The previous prime is 247350427. The next prime is 247350443. The reversal of 247350433 is 334053742.

247350433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-247350433 is a prime.

It is a super-2 number, since 2×2473504332 = 122364473410574978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247350395 and 247350404.

It is not an unprimeable number, because it can be changed into a prime (247350443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54310 + ... + 58687.

It is an arithmetic number, because the mean of its divisors is an integer number (33899400).

Almost surely, 2247350433 is an apocalyptic number.

It is an amenable number.

247350433 is a deficient number, since it is larger than the sum of its proper divisors (23844767).

247350433 is a wasteful number, since it uses less digits than its factorization.

247350433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113207.

The product of its (nonzero) digits is 30240, while the sum is 31.

The square root of 247350433 is about 15727.3784528764. The cubic root of 247350433 is about 627.7271193646.

The spelling of 247350433 in words is "two hundred forty-seven million, three hundred fifty thousand, four hundred thirty-three".

Divisors: 1 11 199 2189 112997 1242967 22486403 247350433