Search a number
-
+
22453125 = 356479
BaseRepresentation
bin101010110100…
…1101110000101
31120020201220020
41111221232011
521222000000
62121125353
7361564002
oct125515605
946221806
1022453125
1111746402
127629859
134861b96
142da68a9
151e87ba0
hex1569b85

22453125 has 28 divisors (see below), whose sum is σ = 37499520. Its totient is φ = 11950000.

The previous prime is 22453103. The next prime is 22453127. The reversal of 22453125 is 52135422.

It is not a de Polignac number, because 22453125 - 26 = 22453061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22453095 and 22453104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22453127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 46636 + ... + 47114.

Almost surely, 222453125 is an apocalyptic number.

22453125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22453125 is a deficient number, since it is larger than the sum of its proper divisors (15046395).

22453125 is an frugal number, since it uses more digits than its factorization.

22453125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 487 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 22453125 is about 4738.4728552562. The cubic root of 22453125 is about 282.1146231886.

Adding to 22453125 its reverse (52135422), we get a palindrome (74588547).

It can be divided in two parts, 22453 and 125, that added together give a triangular number (22578 = T212).

The spelling of 22453125 in words is "twenty-two million, four hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 479 625 1437 1875 2395 3125 7185 9375 11975 15625 35925 46875 59875 179625 299375 898125 1496875 4490625 7484375 22453125