Search a number
-
+
213604329 = 376193563
BaseRepresentation
bin11001011101101…
…01011111101001
3112212221020001110
430232311133221
5414140314304
633110140533
75202415101
oct1456653751
9485836043
10213604329
11aa635104
125b651749
133533b5c3
1420524201
1513b45289
hexcbb57e9

213604329 has 8 divisors (see below), whose sum is σ = 285183072. Its totient is φ = 142214240.

The previous prime is 213604297. The next prime is 213604333. The reversal of 213604329 is 923406312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213604329 - 25 = 213604297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213604296 and 213604305.

It is not an unprimeable number, because it can be changed into a prime (213604429) 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, 44499 + ... + 49064.

It is an arithmetic number, because the mean of its divisors is an integer number (35647884).

Almost surely, 2213604329 is an apocalyptic number.

It is an amenable number.

213604329 is a deficient number, since it is larger than the sum of its proper divisors (71578743).

213604329 is an equidigital number, since it uses as much as digits as its factorization.

213604329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94327.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 213604329 is about 14615.2088250562. The cubic root of 213604329 is about 597.7735344155.

The spelling of 213604329 in words is "two hundred thirteen million, six hundred four thousand, three hundred twenty-nine".

Divisors: 1 3 761 2283 93563 280689 71201443 213604329