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7042285 = 55772441
BaseRepresentation
bin11010110111010011101101
3111020210012101
4122313103231
53300323120
6410535101
7113600305
oct32672355
914223171
107042285
113a7aa78
122437491
1315c7543
14d14605
1594190a
hex6b74ed

7042285 has 8 divisors (see below), whose sum is σ = 8468856. Its totient is φ = 5621760.

The previous prime is 7042271. The next prime is 7042291. The reversal of 7042285 is 5822407.

It can be written as a sum of positive squares in 4 ways, for example, as 1267876 + 5774409 = 1126^2 + 2403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7042285 - 25 = 7042253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (1058607).

Almost surely, 27042285 is an apocalyptic number.

It is an amenable number.

7042285 is a deficient number, since it is larger than the sum of its proper divisors (1426571).

7042285 is a wasteful number, since it uses less digits than its factorization.

7042285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7042285 is about 2653.7303932389. The cubic root of 7042285 is about 191.6775276349.

It can be divided in two parts, 70422 and 85, that added together give a palindrome (70507).

The spelling of 7042285 in words is "seven million, forty-two thousand, two hundred eighty-five".

Divisors: 1 5 577 2441 2885 12205 1408457 7042285