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13946077 = 37376921
BaseRepresentation
bin110101001100…
…110011011101
3222020112102101
4311030303131
512032233302
61214525101
7226353055
oct65146335
928215371
1013946077
117965992
124806791
132b73a22
141bd0565
151357287
hexd4ccdd

13946077 has 4 divisors (see below), whose sum is σ = 14323036. Its totient is φ = 13569120.

The previous prime is 13946047. The next prime is 13946081. The reversal of 13946077 is 77064931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13003236 + 942841 = 3606^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 13946077 - 223 = 5557469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 376921 = 13946077 / (1 + 3 + 9 + 4 + 6 + 0 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13946017) 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, 188424 + ... + 188497.

It is an arithmetic number, because the mean of its divisors is an integer number (3580759).

Almost surely, 213946077 is an apocalyptic number.

It is an amenable number.

13946077 is a deficient number, since it is larger than the sum of its proper divisors (376959).

13946077 is an equidigital number, since it uses as much as digits as its factorization.

13946077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376958.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 13946077 is about 3734.4446708982. Note that the first 3 decimals coincide. The cubic root of 13946077 is about 240.7043947148.

The spelling of 13946077 in words is "thirteen million, nine hundred forty-six thousand, seventy-seven".

Divisors: 1 37 376921 13946077