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3081407 = 7479919
BaseRepresentation
bin1011110000010010111111
312210112220012
423300102333
51242101112
6150013435
735122460
oct13602277
95715805
103081407
11181511a
12104727b
1383b724
145a2d67
1540d022
hex2f04bf

3081407 has 8 divisors (see below), whose sum is σ = 3532800. Its totient is φ = 2632824.

The previous prime is 3081391. The next prime is 3081413. The reversal of 3081407 is 7041803.

It is a happy number.

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 3081407 - 24 = 3081391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2894 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (441600).

Almost surely, 23081407 is an apocalyptic number.

3081407 is a deficient number, since it is larger than the sum of its proper divisors (451393).

3081407 is an equidigital number, since it uses as much as digits as its factorization.

3081407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3081407 is about 1755.3936880370. The cubic root of 3081407 is about 145.5178786342.

The spelling of 3081407 in words is "three million, eighty-one thousand, four hundred seven".

Divisors: 1 7 479 919 3353 6433 440201 3081407