Search a number
-
+
220942210 = 25103214507
BaseRepresentation
bin11010010101101…
…00111110000010
3120101202000201211
431022310332002
5423030122320
633531320334
75321656246
oct1512647602
9511660654
10220942210
11103797175
1261bb00aa
1336a0a548
14214b4426
15145e455a
hexd2b4f82

220942210 has 16 divisors (see below), whose sum is σ = 401558976. Its totient is φ = 87518448.

The previous prime is 220942199. The next prime is 220942231. The reversal of 220942210 is 12249022.

220942210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 106224 + ... + 108283.

It is an arithmetic number, because the mean of its divisors is an integer number (25097436).

Almost surely, 2220942210 is an apocalyptic number.

220942210 is a deficient number, since it is larger than the sum of its proper divisors (180616766).

220942210 is a wasteful number, since it uses less digits than its factorization.

220942210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214617.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 220942210 is about 14864.1249321983. The cubic root of 220942210 is about 604.5416558999.

The spelling of 220942210 in words is "two hundred twenty million, nine hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 103 206 515 1030 214507 429014 1072535 2145070 22094221 44188442 110471105 220942210