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3800000286 = 232431489817
BaseRepresentation
bin1110001001111111…
…0110011100011110
3100210211101000102100
43202133312130132
530240300002121
61425023105530
7163111320015
oct34237663436
910724330370
103800000286
111680001505
128a07422a6
134873675a4
14280971a7c
1517391b026
hexe27f671e

3800000286 has 24 divisors (see below), whose sum is σ = 8252453664. Its totient is φ = 1263725280.

The previous prime is 3800000249. The next prime is 3800000287. The reversal of 3800000286 is 6820000083.

3800000286 is a `hidden beast` number, since 380 + 0 + 0 + 0 + 0 + 286 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800000287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237151 + ... + 252666.

It is an arithmetic number, because the mean of its divisors is an integer number (343852236).

Almost surely, 23800000286 is an apocalyptic number.

3800000286 is an abundant number, since it is smaller than the sum of its proper divisors (4452453378).

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

3800000286 is a wasteful number, since it uses less digits than its factorization.

3800000286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490256 (or 490253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3800000286 is about 61644.1423494560. The cubic root of 3800000286 is about 1560.4907898570.

The spelling of 3800000286 in words is "three billion, eight hundred million, two hundred eighty-six", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 431 862 1293 2586 3879 7758 489817 979634 1469451 2938902 4408353 8816706 211111127 422222254 633333381 1266666762 1900000143 3800000286