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28796832 = 253299989
BaseRepresentation
bin110110111011…
…0011110100000
32000012000211100
41231312132200
524332444312
62505114400
7466524531
oct155663640
960160740
1028796832
1115289539
129788a00
135c7345c
143b78688
1527dc5dc
hex1b767a0

28796832 has 36 divisors (see below), whose sum is σ = 81891810. Its totient is φ = 9598848.

The previous prime is 28796809. The next prime is 28796839. The reversal of 28796832 is 23869782.

It can be written as a sum of positive squares in only one way, i.e., 28772496 + 24336 = 5364^2 + 156^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (28796839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49707 + ... + 50282.

Almost surely, 228796832 is an apocalyptic number.

It is an amenable number.

28796832 is an abundant number, since it is smaller than the sum of its proper divisors (53094978).

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

28796832 is a wasteful number, since it uses less digits than its factorization.

28796832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100005 (or 99994 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 28796832 is about 5366.2679769091. The cubic root of 28796832 is about 306.5125333403.

The spelling of 28796832 in words is "twenty-eight million, seven hundred ninety-six thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 99989 199978 299967 399956 599934 799912 899901 1199868 1599824 1799802 2399736 3199648 3599604 4799472 7199208 9598944 14398416 28796832