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6242905 = 58914029
BaseRepresentation
bin10111110100001001011001
3102202011122201
4113310021121
53044233110
6341450201
7104030614
oct27641131
912664581
106242905
113584429
122110961
1313a7736
14b8717b
15834b3a
hex5f4259

6242905 has 8 divisors (see below), whose sum is σ = 7576200. Its totient is φ = 4937856.

The previous prime is 6242897. The next prime is 6242909. The reversal of 6242905 is 5092426.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 6086089 = 396^2 + 2467^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6242905 - 23 = 6242897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6242909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6570 + ... + 7459.

It is an arithmetic number, because the mean of its divisors is an integer number (947025).

Almost surely, 26242905 is an apocalyptic number.

It is an amenable number.

6242905 is a deficient number, since it is larger than the sum of its proper divisors (1333295).

6242905 is a wasteful number, since it uses less digits than its factorization.

6242905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14123.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6242905 is about 2498.5805970591. The cubic root of 6242905 is about 184.1318466642.

The spelling of 6242905 in words is "six million, two hundred forty-two thousand, nine hundred five".

Divisors: 1 5 89 445 14029 70145 1248581 6242905