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28229896 = 2319185723
BaseRepresentation
bin110101110110…
…0000100001000
31222010020010201
41223230010020
524211324041
62445021544
7461643622
oct153540410
958106121
1028229896
1114a315a2
1295548b4
135b053a6
143a6bc12
152729631
hex1aec108

28229896 has 16 divisors (see below), whose sum is σ = 55717200. Its totient is φ = 13371984.

The previous prime is 28229891. The next prime is 28229897. The reversal of 28229896 is 69892282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28229891) 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, 92710 + ... + 93013.

It is an arithmetic number, because the mean of its divisors is an integer number (3482325).

Almost surely, 228229896 is an apocalyptic number.

It is an amenable number.

28229896 is a deficient number, since it is larger than the sum of its proper divisors (27487304).

28229896 is a wasteful number, since it uses less digits than its factorization.

28229896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185748 (or 185744 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 28229896 is about 5313.1813445430. The cubic root of 28229896 is about 304.4877040053.

The spelling of 28229896 in words is "twenty-eight million, two hundred twenty-nine thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 19 38 76 152 185723 371446 742892 1485784 3528737 7057474 14114948 28229896