Search a number
-
+
2260666644 = 223188388887
BaseRepresentation
bin1000011010111111…
…0000100100010100
312211112211202122020
42012233300210110
514112212313034
61012153533140
7110010230565
oct20657604424
95745752566
102260666644
11a600a6345
125311141b0
132a0482b92
1417635016c
15d3702249
hex86bf0914

2260666644 has 12 divisors (see below), whose sum is σ = 5274888864. Its totient is φ = 753555544.

The previous prime is 2260666643. The next prime is 2260666687. The reversal of 2260666644 is 4466660622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22606666442 = 10221227350588445472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2260666596 and 2260666605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2260666643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94194432 + ... + 94194455.

It is an arithmetic number, because the mean of its divisors is an integer number (439574072).

Almost surely, 22260666644 is an apocalyptic number.

It is an amenable number.

2260666644 is an abundant number, since it is smaller than the sum of its proper divisors (3014222220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2260666644 is a wasteful number, since it uses less digits than its factorization.

2260666644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188388894 (or 188388892 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 2260666644 is about 47546.4682600085. The cubic root of 2260666644 is about 1312.4381383270.

The spelling of 2260666644 in words is "two billion, two hundred sixty million, six hundred sixty-six thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 188388887 376777774 565166661 753555548 1130333322 2260666644