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214868260 = 22519953987
BaseRepresentation
bin11001100111010…
…10000100100100
3112222022102211201
430303222010210
5420001241020
633153212244
75216231035
oct1463520444
9488272751
10214868260
11100318782
125bb61084
13356919a9
1420772a8c
1513ce4a0a
hexccea124

214868260 has 24 divisors (see below), whose sum is σ = 453499200. Its totient is φ = 85513824.

The previous prime is 214868243. The next prime is 214868261. The reversal of 214868260 is 62868412.

It is not an unprimeable number, because it can be changed into a prime (214868261) 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, 23014 + ... + 30973.

It is an arithmetic number, because the mean of its divisors is an integer number (18895800).

Almost surely, 2214868260 is an apocalyptic number.

214868260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214868260 is an abundant number, since it is smaller than the sum of its proper divisors (238630940).

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

214868260 is a wasteful number, since it uses less digits than its factorization.

214868260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54195 (or 54193 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 214868260 is about 14658.3853135330. The cubic root of 214868260 is about 598.9502570633.

The spelling of 214868260 in words is "two hundred fourteen million, eight hundred sixty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 53987 107974 215948 269935 539870 1079740 10743413 21486826 42973652 53717065 107434130 214868260