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28715363 = 174673617
BaseRepresentation
bin110110110001…
…0100101100011
32000000220001222
41231202211203
524322342423
62503245255
7466035155
oct155424543
960026058
1028715363
1115233306
12974982b
135c45351
143b56ad5
1527c33c8
hex1b62963

28715363 has 8 divisors (see below), whose sum is σ = 30478032. Its totient is φ = 26960896.

The previous prime is 28715341. The next prime is 28715377. The reversal of 28715363 is 36351782.

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 28715363 - 26 = 28715299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28715263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 9747.

It is an arithmetic number, because the mean of its divisors is an integer number (3809754).

Almost surely, 228715363 is an apocalyptic number.

28715363 is a deficient number, since it is larger than the sum of its proper divisors (1762669).

28715363 is a wasteful number, since it uses less digits than its factorization.

28715363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101.

The product of its digits is 30240, while the sum is 35.

The square root of 28715363 is about 5358.6717570682. The cubic root of 28715363 is about 306.2232092071.

The spelling of 28715363 in words is "twenty-eight million, seven hundred fifteen thousand, three hundred sixty-three".

Divisors: 1 17 467 3617 7939 61489 1689139 28715363