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14977481 is a prime number
BaseRepresentation
bin111001001000…
…100111001001
31001011221020112
4321020213021
512313234411
61253004105
7241210061
oct71104711
931157215
1014977481
1184aa892
125023635
13314531c
141dbc3a1
1514acb8b
hexe489c9

14977481 has 2 divisors, whose sum is σ = 14977482. Its totient is φ = 14977480.

The previous prime is 14977471. The next prime is 14977499. The reversal of 14977481 is 18477941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 2839225 = 3484^2 + 1685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14977481 is a prime.

It is a super-2 number, since 2×149774812 = 448649874210722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14977411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7488740 + 7488741.

It is an arithmetic number, because the mean of its divisors is an integer number (7488741).

Almost surely, 214977481 is an apocalyptic number.

It is an amenable number.

14977481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14977481 is an equidigital number, since it uses as much as digits as its factorization.

14977481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 14977481 is about 3870.0750638715. The cubic root of 14977481 is about 246.4977308893.

The spelling of 14977481 in words is "fourteen million, nine hundred seventy-seven thousand, four hundred eighty-one".