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13642206 = 232273701
BaseRepresentation
bin110100000010…
…100111011110
3221200002120220
4310002213132
511443022311
61204222210
7223646124
oct64024736
927602526
1013642206
117778656
12469a966
132a98616
141b51914
1512e7206
hexd029de

13642206 has 8 divisors (see below), whose sum is σ = 27284424. Its totient is φ = 4547400.

The previous prime is 13642199. The next prime is 13642207. The reversal of 13642206 is 60224631.

13642206 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

13642206 is an admirable number.

It is a super-2 number, since 2×136422062 = 372219569092872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136845 + ... + 1136856.

It is an arithmetic number, because the mean of its divisors is an integer number (3410553).

Almost surely, 213642206 is an apocalyptic number.

13642206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13642206 is a wasteful number, since it uses less digits than its factorization.

13642206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273706.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13642206 is about 3693.5357044436. The cubic root of 13642206 is about 238.9433057053.

Adding to 13642206 its reverse (60224631), we get a palindrome (73866837).

It can be divided in two parts, 1364 and 2206, that added together give a triangular number (3570 = T84).

The spelling of 13642206 in words is "thirteen million, six hundred forty-two thousand, two hundred six".

Divisors: 1 2 3 6 2273701 4547402 6821103 13642206