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28934036 = 22193112281
BaseRepresentation
bin110111001011…
…1111110010100
32000110000000222
41232113332110
524401342121
62512053512
7500635535
oct156277624
960400028
1028934036
111537262a
129834298
135cc0a41
143bb268c
1528180ab
hex1b97f94

28934036 has 24 divisors (see below), whose sum is σ = 55023360. Its totient is φ = 13262400.

The previous prime is 28934021. The next prime is 28934053. The reversal of 28934036 is 63043982.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28933987 and 28934005.

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, 3785 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (2292640).

Almost surely, 228934036 is an apocalyptic number.

It is an amenable number.

28934036 is a deficient number, since it is larger than the sum of its proper divisors (26089324).

28934036 is a wasteful number, since it uses less digits than its factorization.

28934036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335 (or 12333 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 28934036 is about 5379.0367167366. The cubic root of 28934036 is about 306.9985605438.

The spelling of 28934036 in words is "twenty-eight million, nine hundred thirty-four thousand, thirty-six".

Divisors: 1 2 4 19 31 38 62 76 124 589 1178 2356 12281 24562 49124 233339 380711 466678 761422 933356 1522844 7233509 14467018 28934036