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499980049 = 23432232267
BaseRepresentation
bin11101110011010…
…001011100010001
31021211210121200121
4131303101130101
52010443330144
6121340150241
715250521532
oct3563213421
91254717617
10499980049
11237253458
1211b538381
137c778caa
144a58c689
152dd62384
hex1dcd1711

499980049 has 16 divisors (see below), whose sum is σ = 536481792. Its totient is φ = 464820048.

The previous prime is 499980043. The next prime is 499980067. The reversal of 499980049 is 940089994.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-499980049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499979978 and 499980005.

It is not an unprimeable number, because it can be changed into a prime (499980043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219414 + ... + 221680.

It is an arithmetic number, because the mean of its divisors is an integer number (33530112).

Almost surely, 2499980049 is an apocalyptic number.

It is an amenable number.

499980049 is a deficient number, since it is larger than the sum of its proper divisors (36501743).

499980049 is a wasteful number, since it uses less digits than its factorization.

499980049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 499980049 is about 22360.2336526254. The cubic root of 499980049 is about 793.6899690976.

The spelling of 499980049 in words is "four hundred ninety-nine million, nine hundred eighty thousand, forty-nine".

Divisors: 1 23 43 223 989 2267 5129 9589 52141 97481 220547 505541 2242063 11627443 21738263 499980049