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7242663 = 317295983
BaseRepresentation
bin11011101000001110100111
3111121222001210
4123220032213
53323231123
6415122503
7115363431
oct33501647
914558053
107242663
1140a757a
122513433
1316677cc
14d67651
15980e93
hex6e83a7

7242663 has 32 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 4261376.

The previous prime is 7242661. The next prime is 7242673. The reversal of 7242663 is 3662427.

It is not a de Polignac number, because 7242663 - 21 = 7242661 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 7242663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87220 + ... + 87302.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 27242663 is an apocalyptic number.

7242663 is a deficient number, since it is larger than the sum of its proper divisors (3643737).

7242663 is a wasteful number, since it uses less digits than its factorization.

7242663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 12096, while the sum is 30.

The square root of 7242663 is about 2691.2196119975. The cubic root of 7242663 is about 193.4785212089.

The spelling of 7242663 in words is "seven million, two hundred forty-two thousand, six hundred sixty-three".

Divisors: 1 3 17 29 51 59 83 87 177 249 493 1003 1411 1479 1711 2407 3009 4233 4897 5133 7221 14691 29087 40919 83249 87261 122757 142013 249747 426039 2414221 7242663