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28630614 = 2347101527
BaseRepresentation
bin110110100110…
…1111001010110
31222212120211010
41231031321112
524312134424
62501353050
7465233115
oct155157126
958776733
1028630614
1115185671
129708786
135c158bc
143b33c7c
1527a8229
hex1b4de56

28630614 has 16 divisors (see below), whose sum is σ = 58480128. Its totient is φ = 9340392.

The previous prime is 28630597. The next prime is 28630619. The reversal of 28630614 is 41603682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28630619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50482 + ... + 51045.

It is an arithmetic number, because the mean of its divisors is an integer number (3655008).

Almost surely, 228630614 is an apocalyptic number.

28630614 is an abundant number, since it is smaller than the sum of its proper divisors (29849514).

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

28630614 is a wasteful number, since it uses less digits than its factorization.

28630614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101579.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 28630614 is about 5350.7582640220. The cubic root of 28630614 is about 305.9216553673.

The spelling of 28630614 in words is "twenty-eight million, six hundred thirty thousand, six hundred fourteen".

Divisors: 1 2 3 6 47 94 141 282 101527 203054 304581 609162 4771769 9543538 14315307 28630614