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28954292 = 227238573
BaseRepresentation
bin110111001110…
…0111010110100
32000111000211012
41232130322310
524403014132
62512331352
7501051563
oct156347264
960430735
1028954292
1115386874
129843b58
135cca023
143bb9bda
15281e0b2
hex1b9ceb4

28954292 has 6 divisors (see below), whose sum is σ = 50670018. Its totient is φ = 14477144.

The previous prime is 28954291. The next prime is 28954319. The reversal of 28954292 is 29245982.

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 9205156 = 4444^2 + 3034^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28954291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619283 + ... + 3619290.

It is an arithmetic number, because the mean of its divisors is an integer number (8445003).

Almost surely, 228954292 is an apocalyptic number.

It is an amenable number.

28954292 is a deficient number, since it is larger than the sum of its proper divisors (21715726).

28954292 is a wasteful number, since it uses less digits than its factorization.

28954292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238577 (or 7238575 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 28954292 is about 5380.9192523211. The cubic root of 28954292 is about 307.0701845216.

The spelling of 28954292 in words is "twenty-eight million, nine hundred fifty-four thousand, two hundred ninety-two".

Divisors: 1 2 4 7238573 14477146 28954292