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28360468 = 227090117
BaseRepresentation
bin110110000101…
…1111100010100
31222100212020201
41230023330110
524230013333
62451510244
7463026403
oct154137424
958325221
1028360468
1115010704
1295b8384
135b4c956
143aa363a
15275317d
hex1b0bf14

28360468 has 6 divisors (see below), whose sum is σ = 49630826. Its totient is φ = 14180232.

The previous prime is 28360439. The next prime is 28360481. The reversal of 28360468 is 86406382.

It can be written as a sum of positive squares in only one way, i.e., 25220484 + 3139984 = 5022^2 + 1772^2 .

It is a super-2 number, since 2×283604682 = 1608632290358048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545055 + ... + 3545062.

Almost surely, 228360468 is an apocalyptic number.

It is an amenable number.

28360468 is a deficient number, since it is larger than the sum of its proper divisors (21270358).

28360468 is a wasteful number, since it uses less digits than its factorization.

28360468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090121 (or 7090119 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 28360468 is about 5325.4547223688. The cubic root of 28360468 is about 304.9564320102.

The spelling of 28360468 in words is "twenty-eight million, three hundred sixty thousand, four hundred sixty-eight".

Divisors: 1 2 4 7090117 14180234 28360468