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247464996 = 22320622083
BaseRepresentation
bin11101100000000…
…00010000100100
3122020122112011020
432300000100210
51001322334441
640320011140
76063263202
oct1660002044
9566575136
10247464996
11117762129
126aa60ab0
133c3658bc
1424c1a072
1516ad2e66
hexec00424

247464996 has 12 divisors (see below), whose sum is σ = 577418352. Its totient is φ = 82488328.

The previous prime is 247464977. The next prime is 247465021. The reversal of 247464996 is 699464742.

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

It is a super-2 number, since 2×2474649962 = 122477848490560032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10311030 + ... + 10311053.

It is an arithmetic number, because the mean of its divisors is an integer number (48118196).

Almost surely, 2247464996 is an apocalyptic number.

It is an amenable number.

247464996 is an abundant number, since it is smaller than the sum of its proper divisors (329953356).

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

247464996 is a wasteful number, since it uses less digits than its factorization.

247464996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20622090 (or 20622088 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 247464996 is about 15731.0201830651. The cubic root of 247464996 is about 627.8240172506.

The spelling of 247464996 in words is "two hundred forty-seven million, four hundred sixty-four thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 20622083 41244166 61866249 82488332 123732498 247464996