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4080929 = 9774177
BaseRepresentation
bin1111100100010100100001
321200022222112
433210110201
52021042204
6223245105
746454516
oct17442441
97608875
104080929
112338076
121449795
13acb668
1478330d
1555926e
hex3e4521

4080929 has 4 divisors (see below), whose sum is σ = 4086084. Its totient is φ = 4075776.

The previous prime is 4080911. The next prime is 4080931. The reversal of 4080929 is 9290804.

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 3794704 + 286225 = 1948^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 4080929 - 212 = 4076833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4080895 and 4080904.

It is not an unprimeable number, because it can be changed into a prime (4080029) 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, 1112 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (1021521).

Almost surely, 24080929 is an apocalyptic number.

It is an amenable number.

4080929 is a deficient number, since it is larger than the sum of its proper divisors (5155).

4080929 is an equidigital number, since it uses as much as digits as its factorization.

4080929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 4080929 is about 2020.1309363504. The cubic root of 4080929 is about 159.8035218467.

The spelling of 4080929 in words is "four million, eighty thousand, nine hundred twenty-nine".

Divisors: 1 977 4177 4080929