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28752762 = 234792127
BaseRepresentation
bin110110110101…
…1101101111010
32000002210101010
41231223231322
524330042022
62504134350
7466252203
oct155535572
960083333
1028752762
1115259415
1297673b6
135c5938c
143b665aa
1527ce50c
hex1b6bb7a

28752762 has 8 divisors (see below), whose sum is σ = 57505536. Its totient is φ = 9584252.

The previous prime is 28752751. The next prime is 28752769. The reversal of 28752762 is 26725782.

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

28752762 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28752762.

It is not an unprimeable number, because it can be changed into a prime (28752769) 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, 2396058 + ... + 2396069.

It is an arithmetic number, because the mean of its divisors is an integer number (7188192).

Almost surely, 228752762 is an apocalyptic number.

28752762 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28752762 is a wasteful number, since it uses less digits than its factorization.

28752762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792132.

The product of its digits is 94080, while the sum is 39.

The square root of 28752762 is about 5362.1601990243. The cubic root of 28752762 is about 306.3560936320.

The spelling of 28752762 in words is "twenty-eight million, seven hundred fifty-two thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 4792127 9584254 14376381 28752762