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13369538 = 271373459
BaseRepresentation
bin110011000000…
…000011000010
3221011020120002
4303000003002
511410311123
61154320002
7221432150
oct63000302
927136502
1013369538
117601806
124589002
132a01490
141ac03d0
151291528
hexcc00c2

13369538 has 16 divisors (see below), whose sum is σ = 24682560. Its totient is φ = 5288976.

The previous prime is 13369537. The next prime is 13369547. The reversal of 13369538 is 83596331.

It is not an unprimeable number, because it can be changed into a prime (13369537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36548 + ... + 36911.

It is an arithmetic number, because the mean of its divisors is an integer number (1542660).

Almost surely, 213369538 is an apocalyptic number.

13369538 is a deficient number, since it is larger than the sum of its proper divisors (11313022).

13369538 is a wasteful number, since it uses less digits than its factorization.

13369538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73481.

The product of its digits is 58320, while the sum is 38.

The square root of 13369538 is about 3656.4378840615. The cubic root of 13369538 is about 237.3406532236.

The spelling of 13369538 in words is "thirteen million, three hundred sixty-nine thousand, five hundred thirty-eight".

Divisors: 1 2 7 13 14 26 91 182 73459 146918 514213 954967 1028426 1909934 6684769 13369538