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28979466 = 234829911
BaseRepresentation
bin110111010001…
…1000100001010
32000112022100120
41232203010022
524404320331
62513044110
7501215145
oct156430412
960468316
1028979466
11153a377a
129856636
136008619
143bc505c
152826796
hex1ba310a

28979466 has 8 divisors (see below), whose sum is σ = 57958944. Its totient is φ = 9659820.

The previous prime is 28979459. The next prime is 28979507. The reversal of 28979466 is 66497982.

It is a happy number.

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

28979466 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414950 + ... + 2414961.

It is an arithmetic number, because the mean of its divisors is an integer number (7244868).

Almost surely, 228979466 is an apocalyptic number.

28979466 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.

28979466 is a wasteful number, since it uses less digits than its factorization.

28979466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829916.

The product of its digits is 1306368, while the sum is 51.

The square root of 28979466 is about 5383.2579354885. The cubic root of 28979466 is about 307.1591517071.

The spelling of 28979466 in words is "twenty-eight million, nine hundred seventy-nine thousand, four hundred sixty-six".

Divisors: 1 2 3 6 4829911 9659822 14489733 28979466