Search a number
-
+
213050545 = 5174995023
BaseRepresentation
bin11001011001011…
…10010010110001
3112211220002101221
430230232102301
5414020104140
633050225041
75164620421
oct1454562261
9484802357
10213050545
11aa297034
125b425181
13351a6516
142041c481
1513a8614a
hexcb2e4b1

213050545 has 16 divisors (see below), whose sum is σ = 271296000. Its totient is φ = 160061184.

The previous prime is 213050543. The next prime is 213050549. The reversal of 213050545 is 545050312.

213050545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213050545 - 21 = 213050543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213050543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39904 + ... + 44926.

It is an arithmetic number, because the mean of its divisors is an integer number (16956000).

Almost surely, 2213050545 is an apocalyptic number.

It is an amenable number.

213050545 is a deficient number, since it is larger than the sum of its proper divisors (58245455).

213050545 is a wasteful number, since it uses less digits than its factorization.

213050545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 213050545 is about 14596.2510597756. The cubic root of 213050545 is about 597.2564975926.

The spelling of 213050545 in words is "two hundred thirteen million, fifty thousand, five hundred forty-five".

Divisors: 1 5 17 85 499 2495 5023 8483 25115 42415 85391 426955 2506477 12532385 42610109 213050545