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4431106840 = 235791402249
BaseRepresentation
bin1000010000001110…
…10101001100011000
3102102210220112212011
410020013111030120
533033330404330
62011405555304
7214543533556
oct41007251430
912383815764
104431106840
111974276176
12a37b75b34
13558034a14
143006d4bd6
151ae03082a
hex1081d5318

4431106840 has 32 divisors (see below), whose sum is σ = 10096200000. Its totient is φ = 1750005504.

The previous prime is 4431106783. The next prime is 4431106909. The reversal of 4431106840 is 486011344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697965 + ... + 704284.

It is an arithmetic number, because the mean of its divisors is an integer number (315506250).

Almost surely, 24431106840 is an apocalyptic number.

4431106840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4431106840 is an abundant number, since it is smaller than the sum of its proper divisors (5665093160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4431106840 is a wasteful number, since it uses less digits than its factorization.

4431106840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402339 (or 1402335 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4431106840 is about 66566.5594724558. The cubic root of 4431106840 is about 1642.4950668875.

The spelling of 4431106840 in words is "four billion, four hundred thirty-one million, one hundred six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 1402249 2804498 5608996 7011245 11217992 14022490 28044980 56089960 110777671 221555342 443110684 553888355 886221368 1107776710 2215553420 4431106840