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28699496 = 237310459
BaseRepresentation
bin110110101111…
…0101101101000
32000000002022022
41231132231220
524321340441
62503044012
7465641000
oct155365550
960002268
1028699496
11152223a1
129740608
135c3b067
143b51000
1527bd84b
hex1b5eb68

28699496 has 32 divisors (see below), whose sum is σ = 62760000. Its totient is φ = 12298608.

The previous prime is 28699483. The next prime is 28699499. The reversal of 28699496 is 69499682.

It is a super-2 number, since 2×286994962 = 1647322141308032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28699499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (1961250).

Almost surely, 228699496 is an apocalyptic number.

It is an amenable number.

28699496 is an abundant number, since it is smaller than the sum of its proper divisors (34060504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28699496 is a wasteful number, since it uses less digits than its factorization.

28699496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486 (or 10468 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 28699496 is about 5357.1910550213. The cubic root of 28699496 is about 306.1667964445.

The spelling of 28699496 in words is "twenty-eight million, six hundred ninety-nine thousand, four hundred ninety-six".