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28800670 = 252880067
BaseRepresentation
bin110110111011…
…1011010011110
32000012020002111
41231313122132
524333110140
62505144234
7466541653
oct155673236
960166074
1028800670
1115291408
12978b07a
135c75122
143b79c2a
1527dd7ea
hex1b7769e

28800670 has 8 divisors (see below), whose sum is σ = 51841224. Its totient is φ = 11520264.

The previous prime is 28800659. The next prime is 28800671. The reversal of 28800670 is 7600882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28800671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440024 + ... + 1440043.

It is an arithmetic number, because the mean of its divisors is an integer number (6480153).

Almost surely, 228800670 is an apocalyptic number.

28800670 is a deficient number, since it is larger than the sum of its proper divisors (23040554).

28800670 is a wasteful number, since it uses less digits than its factorization.

28800670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880074.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 28800670 is about 5366.6255692008. The cubic root of 28800670 is about 306.5261499173.

The spelling of 28800670 in words is "twenty-eight million, eight hundred thousand, six hundred seventy".

Divisors: 1 2 5 10 2880067 5760134 14400335 28800670