Search a number
-
+
213153045 = 3572970001
BaseRepresentation
bin11001011010001…
…11010100010101
3112212002022000020
430231013110111
5414031344140
633052335353
75165525310
oct1455072425
9485068006
10213153045
11aa357046
125b474559
1335211081
1420447977
1513aa66d0
hexcb47515

213153045 has 32 divisors (see below), whose sum is σ = 403211520. Its totient is φ = 94080000.

The previous prime is 213153013. The next prime is 213153133. The reversal of 213153045 is 540351312.

213153045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213153045 - 25 = 213153013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31956 + ... + 38045.

It is an arithmetic number, because the mean of its divisors is an integer number (12600360).

Almost surely, 2213153045 is an apocalyptic number.

It is an amenable number.

213153045 is a deficient number, since it is larger than the sum of its proper divisors (190058475).

213153045 is a wasteful number, since it uses less digits than its factorization.

213153045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70045.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 213153045 is about 14599.7618131256. The cubic root of 213153045 is about 597.3522635622.

The spelling of 213153045 in words is "two hundred thirteen million, one hundred fifty-three thousand, forty-five".

Divisors: 1 3 5 7 15 21 29 35 87 105 145 203 435 609 1015 3045 70001 210003 350005 490007 1050015 1470021 2030029 2450035 6090087 7350105 10150145 14210203 30450435 42630609 71051015 213153045