Search a number
-
+
22849561 = 710929947
BaseRepresentation
bin101011100101…
…0100000011001
31120222212201001
41113022200121
521322141221
62133425001
7365134540
oct127124031
946885631
1022849561
1111997239
12779b161
134970467
14306b157
152015391
hex15ca819

22849561 has 8 divisors (see below), whose sum is σ = 26354240. Its totient is φ = 19405008.

The previous prime is 22849559. The next prime is 22849583. The reversal of 22849561 is 16594822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22849561 - 21 = 22849559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22849561.

It is not an unprimeable number, because it can be changed into a prime (22849501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14211 + ... + 15736.

It is an arithmetic number, because the mean of its divisors is an integer number (3294280).

Almost surely, 222849561 is an apocalyptic number.

It is an amenable number.

22849561 is a deficient number, since it is larger than the sum of its proper divisors (3504679).

22849561 is a wasteful number, since it uses less digits than its factorization.

22849561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30063.

The product of its digits is 34560, while the sum is 37.

The square root of 22849561 is about 4780.1214419720. The cubic root of 22849561 is about 283.7652998795.

The spelling of 22849561 in words is "twenty-two million, eight hundred forty-nine thousand, five hundred sixty-one".

Divisors: 1 7 109 763 29947 209629 3264223 22849561