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4008206385 = 32589071253
BaseRepresentation
bin1110111011101000…
…0110000000110001
3101100100010222111100
43232322012000301
531202100101020
61501421435013
7201220122621
oct35672060061
911310128440
104008206385
111777589867
1293a40ba69
134bb535a71
142a048c881
15186d46a90
hexeee86031

4008206385 has 12 divisors (see below), whose sum is σ = 6947557812. Its totient is φ = 2137710048.

The previous prime is 4008206339. The next prime is 4008206413. The reversal of 4008206385 is 5836028004.

It can be written as a sum of positive squares in 2 ways, for example, as 2738638224 + 1269568161 = 52332^2 + 35631^2 .

It is not a de Polignac number, because 4008206385 - 214 = 4008190001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44535582 + ... + 44535671.

It is an arithmetic number, because the mean of its divisors is an integer number (578963151).

Almost surely, 24008206385 is an apocalyptic number.

4008206385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4008206385 is a deficient number, since it is larger than the sum of its proper divisors (2939351427).

4008206385 is a wasteful number, since it uses less digits than its factorization.

4008206385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89071264 (or 89071261 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 4008206385 is about 63310.3971319088. The cubic root of 4008206385 is about 1588.4858791121.

The spelling of 4008206385 in words is "four billion, eight million, two hundred six thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 45 89071253 267213759 445356265 801641277 1336068795 4008206385