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4240544231 = 721173107773
BaseRepresentation
bin1111110011000001…
…1001000111100111
3101221112022222002202
43330300121013213
532141034403411
61540441325115
7210041013500
oct37460310747
911845288082
104240544231
111886749710
129a419679b
13527703191
142c328bba7
1519c43c83b
hexfcc191e7

4240544231 has 24 divisors (see below), whose sum is σ = 5455088784. Its totient is φ = 3259025280.

The previous prime is 4240544213. The next prime is 4240544239. The reversal of 4240544231 is 1324450424.

It is not a de Polignac number, because 4240544231 - 26 = 4240544167 is a prime.

It is a super-2 number, since 2×42405442312 = 35964430750134762722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4240544194 and 4240544203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240544239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14540 + ... + 93233.

It is an arithmetic number, because the mean of its divisors is an integer number (227295366).

Almost surely, 24240544231 is an apocalyptic number.

4240544231 is a deficient number, since it is larger than the sum of its proper divisors (1214544553).

4240544231 is a wasteful number, since it uses less digits than its factorization.

4240544231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107871 (or 107864 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 4240544231 is about 65119.4612308794. The cubic root of 4240544231 is about 1618.6037136858.

Adding to 4240544231 its reverse (1324450424), we get a palindrome (5564994655).

The spelling of 4240544231 in words is "four billion, two hundred forty million, five hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 7 11 49 73 77 511 539 803 3577 5621 39347 107773 754411 1185503 5280877 7867429 8298521 55072003 58089647 86541719 385504021 605792033 4240544231