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7145485 = 51429097
BaseRepresentation
bin11011010000100000001101
3111110000202121
4123100200031
53312123420
6413052541
7114510214
oct33204015
914400677
107145485
114040566
122487151
1316324c9
14d4007b
159622aa
hex6d080d

7145485 has 4 divisors (see below), whose sum is σ = 8574588. Its totient is φ = 5716384.

The previous prime is 7145473. The next prime is 7145503. The reversal of 7145485 is 5845417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 2064969 = 2254^2 + 1437^2 .

It is a cyclic number.

It is not a de Polignac number, because 7145485 - 215 = 7112717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7145485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714544 + ... + 714553.

It is an arithmetic number, because the mean of its divisors is an integer number (2143647).

Almost surely, 27145485 is an apocalyptic number.

It is an amenable number.

7145485 is a deficient number, since it is larger than the sum of its proper divisors (1429103).

7145485 is a wasteful number, since it uses less digits than its factorization.

7145485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429102.

The product of its digits is 22400, while the sum is 34.

The square root of 7145485 is about 2673.1040009697. The cubic root of 7145485 is about 192.6092930834.

The spelling of 7145485 in words is "seven million, one hundred forty-five thousand, four hundred eighty-five".

Divisors: 1 5 1429097 7145485