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890208828 = 223224728023
BaseRepresentation
bin110101000011111…
…000001000111100
32022001002021221100
4311003320020330
53310343140303
6224200133100
731026436005
oct6503701074
92261067840
10890208828
11417555083
1220a167190
13112578bb2
148632c1ac
15532458a3
hex350f823c

890208828 has 18 divisors (see below), whose sum is σ = 2250250184. Its totient is φ = 296736264.

The previous prime is 890208827. The next prime is 890208841. The reversal of 890208828 is 828802098.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890208827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12363976 + ... + 12364047.

Almost surely, 2890208828 is an apocalyptic number.

It is an amenable number.

890208828 is an abundant number, since it is smaller than the sum of its proper divisors (1360041356).

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

890208828 is a wasteful number, since it uses less digits than its factorization.

890208828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24728033 (or 24728028 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 890208828 is about 29836.3675403022. The cubic root of 890208828 is about 961.9753985666.

The spelling of 890208828 in words is "eight hundred ninety million, two hundred eight thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 24728023 49456046 74184069 98912092 148368138 222552207 296736276 445104414 890208828