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28365695 = 546312253
BaseRepresentation
bin110110000110…
…1001101111111
31222101010102022
41230031031333
524230200240
62451550355
7463050551
oct154151577
958333368
1028365695
1115014626
1295bb3bb
135b52147
143aa54d1
1527549b5
hex1b0d37f

28365695 has 8 divisors (see below), whose sum is σ = 34115136. Its totient is φ = 22641696.

The previous prime is 28365691. The next prime is 28365697. The reversal of 28365695 is 59656382.

It is a happy number.

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 28365695 - 22 = 28365691 is a prime.

It is a super-2 number, since 2×283656952 = 1609225305666050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28365691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3812 + ... + 8441.

It is an arithmetic number, because the mean of its divisors is an integer number (4264392).

Almost surely, 228365695 is an apocalyptic number.

28365695 is a deficient number, since it is larger than the sum of its proper divisors (5749441).

28365695 is a wasteful number, since it uses less digits than its factorization.

28365695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721.

The product of its digits is 388800, while the sum is 44.

The square root of 28365695 is about 5325.9454559731. The cubic root of 28365695 is about 304.9751659436.

The spelling of 28365695 in words is "twenty-eight million, three hundred sixty-five thousand, six hundred ninety-five".

Divisors: 1 5 463 2315 12253 61265 5673139 28365695