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99000056 = 2312797441
BaseRepresentation
bin1011110011010…
…01111011111000
320220021201112202
411321221323320
5200321000211
613453525332
72311325621
oct571517370
9226251482
1099000056
1150979231
12291a3848
131768361c
14d210a48
158a5853b
hex5e69ef8

99000056 has 16 divisors (see below), whose sum is σ = 187088640. Its totient is φ = 49109760.

The previous prime is 99000047. The next prime is 99000059. The reversal of 99000056 is 65000099.

It is a super-2 number, since 2×990000562 = 19602022176006272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98999992 and 99000028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000059) 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, 47705 + ... + 49736.

It is an arithmetic number, because the mean of its divisors is an integer number (11693040).

Almost surely, 299000056 is an apocalyptic number.

It is an amenable number.

99000056 is a deficient number, since it is larger than the sum of its proper divisors (88088584).

99000056 is a wasteful number, since it uses less digits than its factorization.

99000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97574 (or 97570 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 99000056 is about 9949.8771851717. The cubic root of 99000056 is about 462.6065881437.

The spelling of 99000056 in words is "ninety-nine million, fifty-six", and thus it is an aban number and an uban number.

Divisors: 1 2 4 8 127 254 508 1016 97441 194882 389764 779528 12375007 24750014 49500028 99000056