Search a number
-
+
561925054 = 22956917027
BaseRepresentation
bin100001011111100…
…100101110111110
31110011100202021001
4201133210232332
52122323100204
6131432000514
716632166315
oct4137445676
91404322231
10561925054
11269212679
1213823013a
138c557342
14548b527c
15344eb4a4
hex217e4bbe

561925054 has 16 divisors (see below), whose sum is σ = 873536400. Its totient is φ = 270781504.

The previous prime is 561925051. The next prime is 561925073. The reversal of 561925054 is 450529165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561925051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24489 + ... + 41515.

It is an arithmetic number, because the mean of its divisors is an integer number (54596025).

Almost surely, 2561925054 is an apocalyptic number.

561925054 is a deficient number, since it is larger than the sum of its proper divisors (311611346).

561925054 is a wasteful number, since it uses less digits than its factorization.

561925054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17627.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 561925054 is about 23704.9584264558. The cubic root of 561925054 is about 825.2004674765.

The spelling of 561925054 in words is "five hundred sixty-one million, nine hundred twenty-five thousand, fifty-four".

Divisors: 1 2 29 58 569 1138 16501 17027 33002 34054 493783 987566 9688363 19376726 280962527 561925054