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28490092 = 2259312011
BaseRepresentation
bin110110010101…
…1100101101100
31222121110001121
41230223211230
524243140332
62454350324
7464106331
oct154534554
958543047
1028490092
111509a034
12965b3a4
135b96957
143ad8988
15277b797
hex1b2b96c

28490092 has 12 divisors (see below), whose sum is σ = 49945896. Its totient is φ = 14219840.

The previous prime is 28490087. The next prime is 28490107. The reversal of 28490092 is 29009482.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3634 + ... + 8377.

It is an arithmetic number, because the mean of its divisors is an integer number (4162158).

Almost surely, 228490092 is an apocalyptic number.

It is an amenable number.

28490092 is a deficient number, since it is larger than the sum of its proper divisors (21455804).

28490092 is a wasteful number, since it uses less digits than its factorization.

28490092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12608 (or 12606 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 28490092 is about 5337.6110761276. The cubic root of 28490092 is about 305.4203359721.

The spelling of 28490092 in words is "twenty-eight million, four hundred ninety thousand, ninety-two".

Divisors: 1 2 4 593 1186 2372 12011 24022 48044 7122523 14245046 28490092