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899771053 = 1779669971
BaseRepresentation
bin110101101000010…
…110101010101101
32022201002002211211
4311220112222231
53320320133203
6225141114421
731203633136
oct6550265255
92281062754
10899771053
11421996345
122113b8a11
1311454640c
14876dac8d
1553ed3c6d
hex35a16aad

899771053 has 8 divisors (see below), whose sum is σ = 964759680. Its totient is φ = 836122560.

The previous prime is 899771039. The next prime is 899771071. The reversal of 899771053 is 350177998.

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

It is not a de Polignac number, because 899771053 - 25 = 899771021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 899770988 and 899771006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899771003) 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, 333643 + ... + 336328.

It is an arithmetic number, because the mean of its divisors is an integer number (120594960).

Almost surely, 2899771053 is an apocalyptic number.

It is an amenable number.

899771053 is a deficient number, since it is larger than the sum of its proper divisors (64988627).

899771053 is a wasteful number, since it uses less digits than its factorization.

899771053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670067.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 899771053 is about 29996.1839739658. The cubic root of 899771053 is about 965.4075088114.

The spelling of 899771053 in words is "eight hundred ninety-nine million, seven hundred seventy-one thousand, fifty-three".

Divisors: 1 17 79 1343 669971 11389507 52927709 899771053