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4076813 = 13536197
BaseRepresentation
bin1111100011010100001101
321200010100002
433203110031
52020424223
6223214045
746436516
oct17432415
97603302
104076813
112334a74
121447325
13ac9820
14781a0d
15557e28
hex3e350d

4076813 has 16 divisors (see below), whose sum is σ = 4593456. Its totient is φ = 3594240.

The previous prime is 4076803. The next prime is 4076833. The reversal of 4076813 is 3186704.

It can be written as a sum of positive squares in 8 ways, for example, as 643204 + 3433609 = 802^2 + 1853^2 .

It is not a de Polignac number, because 4076813 - 28 = 4076557 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 (4076803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41981 + ... + 42077.

It is an arithmetic number, because the mean of its divisors is an integer number (287091).

Almost surely, 24076813 is an apocalyptic number.

It is an amenable number.

4076813 is a deficient number, since it is larger than the sum of its proper divisors (516643).

4076813 is a wasteful number, since it uses less digits than its factorization.

4076813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 4076813 is about 2019.1119334995. Note that the first 3 decimals coincide. The cubic root of 4076813 is about 159.7497781563.

It can be divided in two parts, 40768 and 13, that multiplied together give a square (529984 = 7282).

The spelling of 4076813 in words is "four million, seventy-six thousand, eight hundred thirteen".

Divisors: 1 13 53 61 97 689 793 1261 3233 5141 5917 42029 66833 76921 313601 4076813