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28294076 = 2212755697
BaseRepresentation
bin110101111101…
…1101110111100
31222020111011202
41223323232330
524220402301
62450235032
7462332006
oct153735674
958214152
1028294076
1114a75838
129585a78
135b28675
143a87376
15273d66b
hex1afbbbc

28294076 has 12 divisors (see below), whose sum is σ = 49905408. Its totient is φ = 14035392.

The previous prime is 28294073. The next prime is 28294109. The reversal of 28294076 is 67049282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28294073) 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, 27341 + ... + 28356.

It is an arithmetic number, because the mean of its divisors is an integer number (4158784).

Almost surely, 228294076 is an apocalyptic number.

It is an amenable number.

28294076 is a deficient number, since it is larger than the sum of its proper divisors (21611332).

28294076 is a wasteful number, since it uses less digits than its factorization.

28294076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55828 (or 55826 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 28294076 is about 5319.2176116418. The cubic root of 28294076 is about 304.7182778867.

The spelling of 28294076 in words is "twenty-eight million, two hundred ninety-four thousand, seventy-six".

Divisors: 1 2 4 127 254 508 55697 111394 222788 7073519 14147038 28294076