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28354465 = 510752999
BaseRepresentation
bin110110000101…
…0011110100001
31222100120000101
41230022132201
524224320330
62451422401
7463003036
oct154123641
958316011
1028354465
1115007147
1295b4a01
135b49cb9
143aa138d
1527514ca
hex1b0a7a1

28354465 has 8 divisors (see below), whose sum is σ = 34344000. Its totient is φ = 22471152.

The previous prime is 28354457. The next prime is 28354499. The reversal of 28354465 is 56445382.

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

It is a cyclic number.

It is not a de Polignac number, because 28354465 - 23 = 28354457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25965 + ... + 27034.

It is an arithmetic number, because the mean of its divisors is an integer number (4293000).

Almost surely, 228354465 is an apocalyptic number.

It is an amenable number.

28354465 is a deficient number, since it is larger than the sum of its proper divisors (5989535).

28354465 is a wasteful number, since it uses less digits than its factorization.

28354465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53111.

The product of its digits is 115200, while the sum is 37.

The square root of 28354465 is about 5324.8910786982. The cubic root of 28354465 is about 304.9349139986.

The spelling of 28354465 in words is "twenty-eight million, three hundred fifty-four thousand, four hundred sixty-five".

Divisors: 1 5 107 535 52999 264995 5670893 28354465