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214253305 = 5729434909
BaseRepresentation
bin11001100010100…
…11111011111001
3112221011012021121
430301103323321
5414322101210
633132105241
75211060130
oct1461237371
9487135247
10214253305
11aaa38752
125b905221
1335507b06
1420652917
1513c226da
hexcc53ef9

214253305 has 32 divisors (see below), whose sum is σ = 311097600. Its totient is φ = 138523392.

The previous prime is 214253297. The next prime is 214253317. The reversal of 214253305 is 503352412.

It is not a de Polignac number, because 214253305 - 23 = 214253297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214253305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41191 + ... + 46099.

It is an arithmetic number, because the mean of its divisors is an integer number (9721800).

Almost surely, 2214253305 is an apocalyptic number.

It is an amenable number.

214253305 is a deficient number, since it is larger than the sum of its proper divisors (96844295).

214253305 is a wasteful number, since it uses less digits than its factorization.

214253305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 214253305 is about 14637.3940645185. The cubic root of 214253305 is about 598.3783106364.

The spelling of 214253305 in words is "two hundred fourteen million, two hundred fifty-three thousand, three hundred five".

Divisors: 1 5 7 29 35 43 145 203 215 301 1015 1247 1505 4909 6235 8729 24545 34363 43645 142361 171815 211087 711805 996527 1055435 1477609 4982635 6121523 7388045 30607615 42850661 214253305