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28467772 = 227116943
BaseRepresentation
bin110110010011…
…0001000111100
31222120022102221
41230212020330
524241432042
62454055124
7463654264
oct154461074
958508387
1028467772
1115084293
12964a4a4
135b89748
143ad07a4
152774d67
hex1b2623c

28467772 has 6 divisors (see below), whose sum is σ = 49818608. Its totient is φ = 14233884.

The previous prime is 28467743. The next prime is 28467773. The reversal of 28467772 is 27776482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28467773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3558468 + ... + 3558475.

Almost surely, 228467772 is an apocalyptic number.

It is an amenable number.

28467772 is a deficient number, since it is larger than the sum of its proper divisors (21350836).

28467772 is a wasteful number, since it uses less digits than its factorization.

28467772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116947 (or 7116945 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The square root of 28467772 is about 5335.5198434642. The cubic root of 28467772 is about 305.3405566242.

The spelling of 28467772 in words is "twenty-eight million, four hundred sixty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 4 7116943 14233886 28467772