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14996761 = 131153597
BaseRepresentation
bin111001001101…
…010100011001
31001012220200121
4321031110121
512314344021
61253233241
7241320223
oct71152431
931186617
1014996761
11851331a
125032821
133151030
141dc5413
1514b3741
hexe4d519

14996761 has 4 divisors (see below), whose sum is σ = 16150372. Its totient is φ = 13843152.

The previous prime is 14996687. The next prime is 14996801. The reversal of 14996761 is 16769941.

It is a happy number.

14996761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16769941 = 95317597.

It can be written as a sum of positive squares in 2 ways, for example, as 10240000 + 4756761 = 3200^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 14996761 - 27 = 14996633 is a prime.

It is a super-2 number, since 2×149967612 = 449805680982242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14990761) 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, 576786 + ... + 576811.

It is an arithmetic number, because the mean of its divisors is an integer number (4037593).

Almost surely, 214996761 is an apocalyptic number.

It is an amenable number.

14996761 is a deficient number, since it is larger than the sum of its proper divisors (1153611).

14996761 is a wasteful number, since it uses less digits than its factorization.

14996761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153610.

The product of its digits is 81648, while the sum is 43.

The square root of 14996761 is about 3872.5651705297. The cubic root of 14996761 is about 246.6034549087.

The spelling of 14996761 in words is "fourteen million, nine hundred ninety-six thousand, seven hundred sixty-one".

Divisors: 1 13 1153597 14996761