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28716675 = 3521329453
BaseRepresentation
bin110110110001…
…0111010000011
32000000221212120
41231202322003
524322413200
62503255323
7466042041
oct155427203
960027776
1028716675
1115234299
12974a543
135c45b20
143b57391
1527c39a0
hex1b62e83

28716675 has 24 divisors (see below), whose sum is σ = 51132144. Its totient is φ = 14136960.

The previous prime is 28716643. The next prime is 28716683. The reversal of 28716675 is 57661782.

It is not a de Polignac number, because 28716675 - 25 = 28716643 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13752 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (2130506).

Almost surely, 228716675 is an apocalyptic number.

28716675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28716675 is a deficient number, since it is larger than the sum of its proper divisors (22415469).

28716675 is a wasteful number, since it uses less digits than its factorization.

28716675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29479 (or 29474 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 28716675 is about 5358.7941740657. The cubic root of 28716675 is about 306.2278728981.

The spelling of 28716675 in words is "twenty-eight million, seven hundred sixteen thousand, six hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 29453 88359 147265 382889 441795 736325 1148667 1914445 2208975 5743335 9572225 28716675