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28424082 = 234737347
BaseRepresentation
bin110110001101…
…1011110010010
31222111002111210
41230123132102
524234032312
62453120550
7463413021
oct154333622
958432453
1028424082
1115054485
129629156
135b728ab
143abc8b8
152766e3c
hex1b1b792

28424082 has 8 divisors (see below), whose sum is σ = 56848176. Its totient is φ = 9474692.

The previous prime is 28424041. The next prime is 28424107. The reversal of 28424082 is 28042482.

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

28424082 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368668 + ... + 2368679.

It is an arithmetic number, because the mean of its divisors is an integer number (7106022).

Almost surely, 228424082 is an apocalyptic number.

28424082 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.

28424082 is a wasteful number, since it uses less digits than its factorization.

28424082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737352.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 28424082 is about 5331.4240124004. The cubic root of 28424082 is about 305.1842727711.

The spelling of 28424082 in words is "twenty-eight million, four hundred twenty-four thousand, eighty-two".

Divisors: 1 2 3 6 4737347 9474694 14212041 28424082