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7242894 = 232402383
BaseRepresentation
bin11011101000010010001110
3111121222101100
4123220102032
53323233034
6415123530
7115364211
oct33502216
914558340
107242894
1140a776a
1225135a6
131667949
14d67778
15981099
hex6e848e

7242894 has 12 divisors (see below), whose sum is σ = 15692976. Its totient is φ = 2414292.

The previous prime is 7242887. The next prime is 7242943. The reversal of 7242894 is 4982427.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 201174 + ... + 201209.

It is an arithmetic number, because the mean of its divisors is an integer number (1307748).

Almost surely, 27242894 is an apocalyptic number.

7242894 is an abundant number, since it is smaller than the sum of its proper divisors (8450082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7242894 is a wasteful number, since it uses less digits than its factorization.

7242894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402391 (or 402388 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7242894 is about 2691.2625290001. The cubic root of 7242894 is about 193.4805781440.

The spelling of 7242894 in words is "seven million, two hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 402383 804766 1207149 2414298 3621447 7242894