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28467412 = 2211362981
BaseRepresentation
bin110110010011…
…0000011010100
31222120021221121
41230212003110
524241424122
62454053324
7463653241
oct154460324
958507847
1028467412
1115083a96
12964a244
135b8952c
143ad05c8
152774bc7
hex1b260d4

28467412 has 12 divisors (see below), whose sum is σ = 50259636. Its totient is φ = 14107520.

The previous prime is 28467403. The next prime is 28467427. The reversal of 28467412 is 21476482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 20196036 = 2876^2 + 4494^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31039 + ... + 31942.

It is an arithmetic number, because the mean of its divisors is an integer number (4188303).

Almost surely, 228467412 is an apocalyptic number.

It is an amenable number.

28467412 is a deficient number, since it is larger than the sum of its proper divisors (21792224).

28467412 is a wasteful number, since it uses less digits than its factorization.

28467412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63098 (or 63096 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 28467412 is about 5335.4861071884. The cubic root of 28467412 is about 305.3392695188.

The spelling of 28467412 in words is "twenty-eight million, four hundred sixty-seven thousand, four hundred twelve".

Divisors: 1 2 4 113 226 452 62981 125962 251924 7116853 14233706 28467412