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4050681 = 310313109
BaseRepresentation
bin1111011100111011111001
321121210111020
433130323321
52014110211
6222453053
746300365
oct17347371
97553436
104050681
112317378
121434189
13aba96b
147762a5
15550306
hex3dcef9

4050681 has 8 divisors (see below), whose sum is σ = 5453760. Its totient is φ = 2674032.

The previous prime is 4050671. The next prime is 4050701. The reversal of 4050681 is 1860504.

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

It is not a de Polignac number, because 4050681 - 26 = 4050617 is a prime.

It is a super-2 number, since 2×40506812 = 32816033127522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4050611) 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, 6246 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (681720).

Almost surely, 24050681 is an apocalyptic number.

It is an amenable number.

4050681 is a deficient number, since it is larger than the sum of its proper divisors (1403079).

4050681 is a wasteful number, since it uses less digits than its factorization.

4050681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 4050681 is about 2012.6303684482. The cubic root of 4050681 is about 159.4077190802.

It can be divided in two parts, 40 and 50681, that added together give a triangular number (50721 = T318).

The spelling of 4050681 in words is "four million, fifty thousand, six hundred eighty-one".

Divisors: 1 3 103 309 13109 39327 1350227 4050681