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2140208 = 24797197
BaseRepresentation
bin1000001010100000110000
311000201210222
420022200300
51021441313
6113512212
724122450
oct10124060
94021728
102140208
111231a74
12872668
1359c1c5
143d9d60
152c4208
hex20a830

2140208 has 40 divisors (see below), whose sum is σ = 4812192. Its totient is φ = 903168.

The previous prime is 2140207. The next prime is 2140223. The reversal of 2140208 is 8020412.

It is not an unprimeable number, because it can be changed into a prime (2140207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10766 + ... + 10962.

22140208 is an apocalyptic number.

2140208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2406096).

2140208 is an abundant number, since it is smaller than the sum of its proper divisors (2671984).

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

2140208 is a wasteful number, since it uses less digits than its factorization.

2140208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2140208 is about 1462.9449750418. The cubic root of 2140208 is about 128.8700492127.

The spelling of 2140208 in words is "two million, one hundred forty thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 56 97 112 194 197 388 394 679 776 788 1358 1379 1552 1576 2716 2758 3152 5432 5516 10864 11032 19109 22064 38218 76436 133763 152872 267526 305744 535052 1070104 2140208