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28552152 = 2331189673
BaseRepresentation
bin110110011101…
…0101111011000
31222201121012010
41230322233120
524302132102
62455545520
7464455266
oct154725730
958647163
1028552152
1115131722
12968b2a0
135bb8c85
143b13436
15278ed6c
hex1b3abd8

28552152 has 16 divisors (see below), whose sum is σ = 71380440. Its totient is φ = 9517376.

The previous prime is 28552151. The next prime is 28552159. The reversal of 28552152 is 25125582.

It is a super-2 number, since 2×285521522 = 1630450767662208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28552151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594813 + ... + 594860.

Almost surely, 228552152 is an apocalyptic number.

It is an amenable number.

28552152 is an abundant number, since it is smaller than the sum of its proper divisors (42828288).

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

28552152 is a wasteful number, since it uses less digits than its factorization.

28552152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189682 (or 1189678 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 28552152 is about 5343.4213758602. The cubic root of 28552152 is about 305.6419409648.

The spelling of 28552152 in words is "twenty-eight million, five hundred fifty-two thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 1189673 2379346 3569019 4758692 7138038 9517384 14276076 28552152