Search a number
-
+
22750825 = 521396547
BaseRepresentation
bin101011011001…
…0011001101001
31120210212021011
41112302121221
521311011300
62131343521
7364243636
oct126623151
946725234
1022750825
111192a039
127751ba1
134937536
14304318d
151ee5eba
hex15b2669

22750825 has 12 divisors (see below), whose sum is σ = 28418320. Its totient is φ = 18066960.

The previous prime is 22750823. The next prime is 22750837. The reversal of 22750825 is 52805722.

It is not a de Polignac number, because 22750825 - 21 = 22750823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22750823) 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 11 ways as a sum of consecutive naturals, for example, 202 + ... + 6748.

Almost surely, 222750825 is an apocalyptic number.

22750825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22750825 is a deficient number, since it is larger than the sum of its proper divisors (5667495).

22750825 is a wasteful number, since it uses less digits than its factorization.

22750825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6696 (or 6691 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 22750825 is about 4769.7824897997. The cubic root of 22750825 is about 283.3559805042.

The spelling of 22750825 in words is "twenty-two million, seven hundred fifty thousand, eight hundred twenty-five".

Divisors: 1 5 25 139 695 3475 6547 32735 163675 910033 4550165 22750825