Search a number
-
+
125444444 = 2231361111
BaseRepresentation
bin1110111101000…
…10000101011100
322202001020102112
413132202011130
5224103210234
620240413152
73052155146
oct736420534
9282036375
10125444444
11648a02a4
12360171b8
131ccb20a8
1412935c96
15b02dace
hex77a215c

125444444 has 6 divisors (see below), whose sum is σ = 219527784. Its totient is φ = 62722220.

The previous prime is 125444437. The next prime is 125444447. The reversal of 125444444 is 444444521.

It is a self number, because there is not a number n which added to its sum of digits gives 125444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125444447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15680552 + ... + 15680559.

It is an arithmetic number, because the mean of its divisors is an integer number (36587964).

Almost surely, 2125444444 is an apocalyptic number.

It is an amenable number.

125444444 is a deficient number, since it is larger than the sum of its proper divisors (94083340).

125444444 is a wasteful number, since it uses less digits than its factorization.

125444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31361115 (or 31361113 counting only the distinct ones).

The product of its digits is 40960, while the sum is 32.

The square root of 125444444 is about 11200.1983911000. The cubic root of 125444444 is about 500.5918910535.

Adding to 125444444 its reverse (444444521), we get a palindrome (569888965).

The spelling of 125444444 in words is "one hundred twenty-five million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 31361111 62722222 125444444