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3068731 = 6914441
BaseRepresentation
bin1011101101001100111011
312202220111201
423231030323
51241144411
6145435031
735040511
oct13551473
95686451
103068731
111806646
12103ba77
13835a23
1459c4b1
154093c1
hex2ed33b

3068731 has 4 divisors (see below), whose sum is σ = 3073864. Its totient is φ = 3063600.

The previous prime is 3068717. The next prime is 3068749. The reversal of 3068731 is 1378603.

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

It is a cyclic number.

It is not a de Polignac number, because 3068731 - 25 = 3068699 is a prime.

It is a super-2 number, since 2×30687312 = 18834219900722, which contains 22 as substring.

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 3068731.

It is not an unprimeable number, because it can be changed into a prime (3068711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (768466).

Almost surely, 23068731 is an apocalyptic number.

3068731 is a deficient number, since it is larger than the sum of its proper divisors (5133).

3068731 is an equidigital number, since it uses as much as digits as its factorization.

3068731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3068731 is about 1751.7793810866. The cubic root of 3068731 is about 145.3180651740.

The spelling of 3068731 in words is "three million, sixty-eight thousand, seven hundred thirty-one".

Divisors: 1 691 4441 3068731