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13980562 = 217411193
BaseRepresentation
bin110101010101…
…001110010010
3222022021201121
4311111032102
512034334222
61215352454
7226555441
oct65251622
928267647
1013980562
117989892
12482272a
132b8662b
141bdcd58
1513625c7
hexd55392

13980562 has 8 divisors (see below), whose sum is σ = 22204476. Its totient is φ = 6579072.

The previous prime is 13980559. The next prime is 13980583. The reversal of 13980562 is 26508931.

13980562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13980121 + 441 = 3739^2 + 21^2 .

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

It is a super-2 number, since 2×139805622 = 390912227671688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 411193 = 13980562 / (1 + 3 + 9 + 8 + 0 + 5 + 6 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205563 + ... + 205630.

Almost surely, 213980562 is an apocalyptic number.

13980562 is a deficient number, since it is larger than the sum of its proper divisors (8223914).

13980562 is a wasteful number, since it uses less digits than its factorization.

13980562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411212.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13980562 is about 3739.0589725224. The cubic root of 13980562 is about 240.9026310748.

The spelling of 13980562 in words is "thirteen million, nine hundred eighty thousand, five hundred sixty-two".

Divisors: 1 2 17 34 411193 822386 6990281 13980562