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28994764 = 2261118831
BaseRepresentation
bin110111010011…
…0110011001100
32000120002100011
41232212303030
524410313024
62513243004
7501310561
oct156466314
960502304
1028994764
1115404217
129863464
136012586
143bca868
15282b094
hex1ba6ccc

28994764 has 12 divisors (see below), whose sum is σ = 51573088. Its totient is φ = 14259600.

The previous prime is 28994761. The next prime is 28994773. The reversal of 28994764 is 46749982.

It is not an unprimeable number, because it can be changed into a prime (28994761) 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, 59172 + ... + 59659.

Almost surely, 228994764 is an apocalyptic number.

It is an amenable number.

28994764 is a deficient number, since it is larger than the sum of its proper divisors (22578324).

28994764 is a wasteful number, since it uses less digits than its factorization.

28994764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118896 (or 118894 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 28994764 is about 5384.6786347934. The cubic root of 28994764 is about 307.2131910523.

The spelling of 28994764 in words is "twenty-eight million, nine hundred ninety-four thousand, seven hundred sixty-four".

Divisors: 1 2 4 61 122 244 118831 237662 475324 7248691 14497382 28994764