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28335276 = 2232787091
BaseRepresentation
bin110110000010…
…1110010101100
31222022120200200
41230011302230
524223212101
62451153500
7462563064
oct154056254
958276620
1028335276
1114aa3792
1295a5890
135b41348
143a983a4
15274a986
hex1b05cac

28335276 has 18 divisors (see below), whose sum is σ = 71625372. Its totient is φ = 9445080.

The previous prime is 28335269. The next prime is 28335283. The reversal of 28335276 is 67253382.

It is an interprime number because it is at equal distance from previous prime (28335269) and next prime (28335283).

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 787091 = 28335276 / (2 + 8 + 3 + 3 + 5 + 2 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 28335276.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393510 + ... + 393581.

Almost surely, 228335276 is an apocalyptic number.

It is an amenable number.

28335276 is an abundant number, since it is smaller than the sum of its proper divisors (43290096).

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

28335276 is a wasteful number, since it uses less digits than its factorization.

28335276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787101 (or 787096 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 28335276 is about 5323.0889528543. The cubic root of 28335276 is about 304.8661098256.

The spelling of 28335276 in words is "twenty-eight million, three hundred thirty-five thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 787091 1574182 2361273 3148364 4722546 7083819 9445092 14167638 28335276