Search a number
-
+
213109295 = 576199817
BaseRepresentation
bin11001011001111…
…00101000101111
3112212000001222212
430230330220233
5414023444140
633051401035
75165253620
oct1454745057
9485001885
10213109295
11aa327193
125b45317b
13351c7199
1420435a47
1513a98765
hexcb3ca2f

213109295 has 16 divisors (see below), whose sum is σ = 297058368. Its totient is φ = 143735040.

The previous prime is 213109289. The next prime is 213109321. The reversal of 213109295 is 592901312.

It is not a de Polignac number, because 213109295 - 222 = 208914991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47774 + ... + 52043.

It is an arithmetic number, because the mean of its divisors is an integer number (18566148).

Almost surely, 2213109295 is an apocalyptic number.

213109295 is a deficient number, since it is larger than the sum of its proper divisors (83949073).

213109295 is an equidigital number, since it uses as much as digits as its factorization.

213109295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99890.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 213109295 is about 14598.2634241200. The cubic root of 213109295 is about 597.3113915997.

The spelling of 213109295 in words is "two hundred thirteen million, one hundred nine thousand, two hundred ninety-five".

Divisors: 1 5 7 35 61 305 427 2135 99817 499085 698719 3493595 6088837 30444185 42621859 213109295