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99287641 = 4717312211
BaseRepresentation
bin1011110101100…
…00001001011001
320220211100001001
411322300021121
5200404201031
613504025001
72313634225
oct572601131
9226740031
1099287641
1151055302
1229302161
13177544ab
14d287785
158ab3861
hex5eb0259

99287641 has 8 divisors (see below), whose sum is σ = 101994624. Its totient is φ = 96605520.

The previous prime is 99287627. The next prime is 99287653. The reversal of 99287641 is 14678299.

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

It is a cyclic number.

It is not a de Polignac number, because 99287641 - 213 = 99279449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99287591 and 99287600.

It is not an unprimeable number, because it can be changed into a prime (99287621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026 + ... + 14236.

It is an arithmetic number, because the mean of its divisors is an integer number (12749328).

Almost surely, 299287641 is an apocalyptic number.

It is an amenable number.

99287641 is a deficient number, since it is larger than the sum of its proper divisors (2706983).

99287641 is a wasteful number, since it uses less digits than its factorization.

99287641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431.

The product of its digits is 217728, while the sum is 46.

The square root of 99287641 is about 9964.3183911395. The cubic root of 99287641 is about 463.0540966511.

The spelling of 99287641 in words is "ninety-nine million, two hundred eighty-seven thousand, six hundred forty-one".

Divisors: 1 47 173 8131 12211 573917 2112503 99287641