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28023466 = 259237487
BaseRepresentation
bin110101011100…
…1101010101010
31221201201222011
41222321222222
524133222331
62440350134
7460124032
oct152715252
957651864
1028023466
1114900499
12947534a
135a62443
143a168c2
1526d83b1
hex1ab9aaa

28023466 has 8 divisors (see below), whose sum is σ = 42747840. Its totient is φ = 13774188.

The previous prime is 28023431. The next prime is 28023469. The reversal of 28023466 is 66432082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28023469) 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, 118626 + ... + 118861.

It is an arithmetic number, because the mean of its divisors is an integer number (5343480).

Almost surely, 228023466 is an apocalyptic number.

28023466 is a deficient number, since it is larger than the sum of its proper divisors (14724374).

28023466 is a wasteful number, since it uses less digits than its factorization.

28023466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237548.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 28023466 is about 5293.7194863347. The cubic root of 28023466 is about 303.7437027828.

The spelling of 28023466 in words is "twenty-eight million, twenty-three thousand, four hundred sixty-six".

Divisors: 1 2 59 118 237487 474974 14011733 28023466