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14936021 = 118712583
BaseRepresentation
bin111000111110…
…011111010101
31001002211100222
4320332133111
512310423041
61252044125
7240645152
oct70763725
931084328
1014936021
118481721
125003645
13312c4a9
141dab229
1514a074b
hexe3e7d5

14936021 has 4 divisors (see below), whose sum is σ = 14949792. Its totient is φ = 14922252.

The previous prime is 14936003. The next prime is 14936029. The reversal of 14936021 is 12063941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12063941 = 101911839.

It is a cyclic number.

It is not a de Polignac number, because 14936021 - 218 = 14673877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14936029) 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, 5105 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (3737448).

Almost surely, 214936021 is an apocalyptic number.

It is an amenable number.

14936021 is a deficient number, since it is larger than the sum of its proper divisors (13771).

14936021 is a wasteful number, since it uses less digits than its factorization.

14936021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 14936021 is about 3864.7148665846. The cubic root of 14936021 is about 246.2700726592.

Adding to 14936021 its reverse (12063941), we get a palindrome (26999962).

The spelling of 14936021 in words is "fourteen million, nine hundred thirty-six thousand, twenty-one".

Divisors: 1 1187 12583 14936021