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13484890 = 251348489
BaseRepresentation
bin110011011100…
…001101011010
3221101002210101
4303130031122
511423004030
61201010014
7222422356
oct63341532
927332711
1013484890
117680441
12462390a
132a41b33
141b10466
1512b57ca
hexcdc35a

13484890 has 8 divisors (see below), whose sum is σ = 24272820. Its totient is φ = 5393952.

The previous prime is 13484881. The next prime is 13484897. The reversal of 13484890 is 9848431.

It can be written as a sum of positive squares in 2 ways, for example, as 13476241 + 8649 = 3671^2 + 93^2 .

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 (13484897) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 674235 + ... + 674254.

Almost surely, 213484890 is an apocalyptic number.

13484890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13484890 is a deficient number, since it is larger than the sum of its proper divisors (10787930).

13484890 is a wasteful number, since it uses less digits than its factorization.

13484890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348496.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 13484890 is about 3672.1778279381. The cubic root of 13484890 is about 238.0212889649.

The spelling of 13484890 in words is "thirteen million, four hundred eighty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 1348489 2696978 6742445 13484890