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13542028 = 2210332869
BaseRepresentation
bin110011101010…
…001010001100
3221111000011121
4303222022030
511431321103
61202130324
7223051063
oct63521214
927430147
1013542028
11770a365
1246509a4
132a61b46
141b271da
1512c76bd
hexcea28c

13542028 has 12 divisors (see below), whose sum is σ = 23929360. Its totient is φ = 6705072.

The previous prime is 13541993. The next prime is 13542029. The reversal of 13542028 is 82024531.

It is a junction number, because it is equal to n+sod(n) for n = 13541993 and 13542011.

It is not an unprimeable number, because it can be changed into a prime (13542029) by changing a digit.

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, 16023 + ... + 16846.

Almost surely, 213542028 is an apocalyptic number.

It is an amenable number.

13542028 is a deficient number, since it is larger than the sum of its proper divisors (10387332).

13542028 is a wasteful number, since it uses less digits than its factorization.

13542028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32976 (or 32974 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13542028 is about 3679.9494561746. The cubic root of 13542028 is about 238.3569954936.

Adding to 13542028 its reverse (82024531), we get a palindrome (95566559).

The spelling of 13542028 in words is "thirteen million, five hundred forty-two thousand, twenty-eight".

Divisors: 1 2 4 103 206 412 32869 65738 131476 3385507 6771014 13542028