Search a number
-
+
2195590965 = 353143109807
BaseRepresentation
bin1000001011011110…
…0000111100110101
312200000101120120220
42002313200330311
513444032402330
61001511044553
7105260133561
oct20267407465
95600346526
102195590965
11a27398a97
12513370759
1328cb49869
1416b8506a1
15ccb4a710
hex82de0f35

2195590965 has 32 divisors (see below), whose sum is σ = 3710631936. Its totient is φ = 1106844480.

The previous prime is 2195590963. The next prime is 2195590973. The reversal of 2195590965 is 5690955912.

2195590965 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 2195590965 - 21 = 2195590963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195590963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34909 + ... + 74898.

It is an arithmetic number, because the mean of its divisors is an integer number (115957248).

Almost surely, 22195590965 is an apocalyptic number.

It is an amenable number.

2195590965 is a deficient number, since it is larger than the sum of its proper divisors (1515040971).

2195590965 is a wasteful number, since it uses less digits than its factorization.

2195590965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109889.

The product of its (nonzero) digits is 1093500, while the sum is 51.

The square root of 2195590965 is about 46857.1335550949. The cubic root of 2195590965 is about 1299.7220243919.

The spelling of 2195590965 in words is "two billion, one hundred ninety-five million, five hundred ninety thousand, nine hundred sixty-five".

Divisors: 1 3 5 15 31 43 93 129 155 215 465 645 1333 3999 6665 19995 109807 329421 549035 1647105 3404017 4721701 10212051 14165103 17020085 23608505 51060255 70825515 146372731 439118193 731863655 2195590965