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426541731 = 37118322247
BaseRepresentation
bin11001011011001…
…000001010100011
31002201121120020220
4121123020022203
51333143313411
6110154134123
713366354620
oct3133101243
91081546226
10426541731
111a9854130
12baa21343
136a4a5475
1440913347
15276a7b06
hex196c82a3

426541731 has 32 divisors (see below), whose sum is σ = 717631488. Its totient is φ = 218900640.

The previous prime is 426541723. The next prime is 426541751. The reversal of 426541731 is 137145624.

It is not a de Polignac number, because 426541731 - 23 = 426541723 is a prime.

It is a super-2 number, since 2×4265417312 = 363875696568952722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 426541692 and 426541701.

It is not an unprimeable number, because it can be changed into a prime (426541751) 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 31 ways as a sum of consecutive naturals, for example, 8050 + ... + 30296.

It is an arithmetic number, because the mean of its divisors is an integer number (22425984).

Almost surely, 2426541731 is an apocalyptic number.

426541731 is a deficient number, since it is larger than the sum of its proper divisors (291089757).

426541731 is a wasteful number, since it uses less digits than its factorization.

426541731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351.

The product of its digits is 20160, while the sum is 33.

The square root of 426541731 is about 20652.8867473775. The cubic root of 426541731 is about 752.7553353292.

The spelling of 426541731 in words is "four hundred twenty-six million, five hundred forty-one thousand, seven hundred thirty-one".

Divisors: 1 3 7 11 21 33 77 83 231 249 581 913 1743 2739 6391 19173 22247 66741 155729 244717 467187 734151 1713019 1846501 5139057 5539503 12925507 20311511 38776521 60934533 142180577 426541731