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13950283 = 16578419
BaseRepresentation
bin110101001101…
…110101001011
3222020202012011
4311031311023
512032402113
61215000351
7226401244
oct65156513
928222164
1013950283
117969066
1248090b7
132b75909
141bd1ccb
15135863d
hexd4dd4b

13950283 has 4 divisors (see below), whose sum is σ = 13960360. Its totient is φ = 13940208.

The previous prime is 13950281. The next prime is 13950301. The reversal of 13950283 is 38205931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 38205931 = 169322567.

It is a cyclic number.

It is not a de Polignac number, because 13950283 - 21 = 13950281 is a prime.

It is a super-2 number, since 2×139502832 = 389220791560178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13950281) 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, 2553 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (3490090).

Almost surely, 213950283 is an apocalyptic number.

13950283 is a deficient number, since it is larger than the sum of its proper divisors (10077).

13950283 is an equidigital number, since it uses as much as digits as its factorization.

13950283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10076.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 13950283 is about 3735.0077643828. The cubic root of 13950283 is about 240.7285903106.

The spelling of 13950283 in words is "thirteen million, nine hundred fifty thousand, two hundred eighty-three".

Divisors: 1 1657 8419 13950283