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13690084 = 223422521
BaseRepresentation
bin110100001110…
…010011100100
3221202112021011
4310032103210
512001040314
61205232004
7224235532
oct64162344
927675234
1013690084
117800621
124702604
132ab4355
141b65152
1513064c4
hexd0e4e4

13690084 has 6 divisors (see below), whose sum is σ = 23957654. Its totient is φ = 6845040.

The previous prime is 13690031. The next prime is 13690087. The reversal of 13690084 is 48009631.

It can be written as a sum of positive squares in only one way, i.e., 13616100 + 73984 = 3690^2 + 272^2 .

It is not an unprimeable number, because it can be changed into a prime (13690087) 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 as a sum of consecutive naturals, namely, 1711257 + ... + 1711264.

Almost surely, 213690084 is an apocalyptic number.

It is an amenable number.

13690084 is a deficient number, since it is larger than the sum of its proper divisors (10267570).

13690084 is a wasteful number, since it uses less digits than its factorization.

13690084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422525 (or 3422523 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13690084 is about 3700.0113513339. The cubic root of 13690084 is about 239.2225071382. Note that the first 3 decimals are identical.

The spelling of 13690084 in words is "thirteen million, six hundred ninety thousand, eighty-four".

Divisors: 1 2 4 3422521 6845042 13690084