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28094630 = 258931567
BaseRepresentation
bin110101100101…
…1000010100110
31221212100120212
41223023002212
524143012010
62442055422
7460541354
oct153130246
957770525
1028094630
1114949a03
1294aa572
135a88955
143a347d4
1526ee505
hex1acb0a6

28094630 has 16 divisors (see below), whose sum is σ = 51140160. Its totient is φ = 11111232.

The previous prime is 28094603. The next prime is 28094657. The reversal of 28094630 is 3649082.

It is an interprime number because it is at equal distance from previous prime (28094603) and next prime (28094657).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14894 + ... + 16673.

It is an arithmetic number, because the mean of its divisors is an integer number (3196260).

Almost surely, 228094630 is an apocalyptic number.

28094630 is a deficient number, since it is larger than the sum of its proper divisors (23045530).

28094630 is a wasteful number, since it uses less digits than its factorization.

28094630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31663.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 28094630 is about 5300.4367744555. The cubic root of 28094630 is about 304.0005987407. Note that the first 3 decimals are identical.

The spelling of 28094630 in words is "twenty-eight million, ninety-four thousand, six hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 31567 63134 157835 315670 2809463 5618926 14047315 28094630