Search a number
-
+
213363430 = 25717193929
BaseRepresentation
bin11001011011110…
…10101011100110
3112212110222121021
430231322223212
5414110112210
633101041354
75200362550
oct1455725346
9485428537
10213363430
11aa490115
125b55625a
1335285a67
14204a04d0
1513ae8bda
hexcb7aae6

213363430 has 64 divisors (see below), whose sum is σ = 467648640. Its totient is φ = 68419584.

The previous prime is 213363391. The next prime is 213363487. The reversal of 213363430 is 34363312.

It is a super-2 number, since 2×2133634302 = 91047906522729800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213363395 and 213363404.

It is a congruent number.

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, 229206 + ... + 230134.

It is an arithmetic number, because the mean of its divisors is an integer number (7307010).

Almost surely, 2213363430 is an apocalyptic number.

213363430 is an abundant number, since it is smaller than the sum of its proper divisors (254285210).

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

213363430 is a wasteful number, since it uses less digits than its factorization.

213363430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 213363430 is about 14606.9651194216. The cubic root of 213363430 is about 597.5487305832.

The spelling of 213363430 in words is "two hundred thirteen million, three hundred sixty-three thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 193 238 386 595 929 965 1190 1351 1858 1930 2702 3281 4645 6503 6562 6755 9290 13006 13510 15793 16405 22967 31586 32515 32810 45934 65030 78965 110551 114835 157930 179297 221102 229670 358594 552755 896485 1105510 1255079 1792970 2510158 3048049 6096098 6275395 12550790 15240245 21336343 30480490 42672686 106681715 213363430