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4080531 = 371314947
BaseRepresentation
bin1111100100001110010011
321200022102210
433210032103
52021034111
6223243203
746453410
oct17441623
97608383
104080531
112337844
121449503
13acb420
14783107
155590a6
hex3e4393

4080531 has 16 divisors (see below), whose sum is σ = 6696704. Its totient is φ = 2152224.

The previous prime is 4080511. The next prime is 4080533. The reversal of 4080531 is 1350804.

It is not a de Polignac number, because 4080531 - 27 = 4080403 is a prime.

It is a super-2 number, since 2×40805312 = 33301466483922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 4080498 and 4080507.

It is not an unprimeable number, because it can be changed into a prime (4080533) 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, 7201 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (418544).

Almost surely, 24080531 is an apocalyptic number.

4080531 is a deficient number, since it is larger than the sum of its proper divisors (2616173).

4080531 is a wasteful number, since it uses less digits than its factorization.

4080531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4080531 is about 2020.0324254823. The cubic root of 4080531 is about 159.7983266351.

The spelling of 4080531 in words is "four million, eighty thousand, five hundred thirty-one".

Divisors: 1 3 7 13 21 39 91 273 14947 44841 104629 194311 313887 582933 1360177 4080531