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28064414 = 272004601
BaseRepresentation
bin110101100001…
…1101010011110
31221210211010202
41223003222132
524141030124
62441303502
7460354310
oct153035236
957724122
1028064414
1114929234
129494b92
135a77c81
143a277b0
1526e55ae
hex1ac3a9e

28064414 has 8 divisors (see below), whose sum is σ = 48110448. Its totient is φ = 12027600.

The previous prime is 28064411. The next prime is 28064417. The reversal of 28064414 is 41446082.

It is an interprime number because it is at equal distance from previous prime (28064411) and next prime (28064417).

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

It is a super-2 number, since 2×280644142 = 1575222666326792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28064411) 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, 1002287 + ... + 1002314.

It is an arithmetic number, because the mean of its divisors is an integer number (6013806).

Almost surely, 228064414 is an apocalyptic number.

28064414 is a deficient number, since it is larger than the sum of its proper divisors (20046034).

28064414 is a wasteful number, since it uses less digits than its factorization.

28064414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004610.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28064414 is about 5297.5856765134. The cubic root of 28064414 is about 303.8915746182.

The spelling of 28064414 in words is "twenty-eight million, sixty-four thousand, four hundred fourteen".

Divisors: 1 2 7 14 2004601 4009202 14032207 28064414