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28046306 = 229483557
BaseRepresentation
bin110101011111…
…1001111100010
31221202220022002
41222333033202
524134440211
62441044002
7460250441
oct152771742
957686262
1028046306
1114916672
129486602
135a6c962
143a20d58
1526e003b
hex1abf3e2

28046306 has 8 divisors (see below), whose sum is σ = 43520220. Its totient is φ = 13539568.

The previous prime is 28046279. The next prime is 28046327. The reversal of 28046306 is 60364082.

It can be written as a sum of positive squares in 2 ways, for example, as 26061025 + 1985281 = 5105^2 + 1409^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a pancake number, because a pancake can be divided into 28046306 parts by 7489 straight cuts.

It is a Curzon 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, 241721 + ... + 241836.

Almost surely, 228046306 is an apocalyptic number.

28046306 is a deficient number, since it is larger than the sum of its proper divisors (15473914).

28046306 is a wasteful number, since it uses less digits than its factorization.

28046306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483588.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 28046306 is about 5295.8763203081. The cubic root of 28046306 is about 303.8262005755.

The spelling of 28046306 in words is "twenty-eight million, forty-six thousand, three hundred six".

Divisors: 1 2 29 58 483557 967114 14023153 28046306