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28377395 = 516373467
BaseRepresentation
bin110110001000…
…0000100110011
31222101201110122
41230100010303
524231034040
62452120455
7463126634
oct154200463
958351418
1028377395
11150223a2
12960612b
135b57577
143aa988b
1527581b5
hex1b10133

28377395 has 8 divisors (see below), whose sum is σ = 34083504. Its totient is φ = 22681504.

The previous prime is 28377389. The next prime is 28377413. The reversal of 28377395 is 59377382.

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 28377395 - 24 = 28377379 is a prime.

It is a Duffinian number.

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, 6452 + ... + 9918.

It is an arithmetic number, because the mean of its divisors is an integer number (4260438).

Almost surely, 228377395 is an apocalyptic number.

28377395 is a deficient number, since it is larger than the sum of its proper divisors (5706109).

28377395 is a wasteful number, since it uses less digits than its factorization.

28377395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109.

The product of its digits is 317520, while the sum is 44.

The square root of 28377395 is about 5327.0437392610. The cubic root of 28377395 is about 305.0170912218.

The spelling of 28377395 in words is "twenty-eight million, three hundred seventy-seven thousand, three hundred ninety-five".

Divisors: 1 5 1637 3467 8185 17335 5675479 28377395