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25044028 = 2212594973
BaseRepresentation
bin101111110001…
…0010000111100
31202010100221121
41133202100330
522402402103
62252440324
7422604442
oct137422074
952110847
1025044028
1113155a49
1284790a4
13525b269
14347cb92
1522ea6bd
hex17e243c

25044028 has 12 divisors (see below), whose sum is σ = 43870680. Its totient is φ = 12509552.

The previous prime is 25043983. The next prime is 25044029. The reversal of 25044028 is 82044052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25043993 and 25044011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25044029) 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 3 ways as a sum of consecutive naturals, for example, 2550 + ... + 7522.

It is an arithmetic number, because the mean of its divisors is an integer number (3655890).

Almost surely, 225044028 is an apocalyptic number.

It is an amenable number.

25044028 is a deficient number, since it is larger than the sum of its proper divisors (18826652).

25044028 is a wasteful number, since it uses less digits than its factorization.

25044028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236 (or 6234 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 25044028 is about 5004.4008632403. The cubic root of 25044028 is about 292.5733246907.

The spelling of 25044028 in words is "twenty-five million, forty-four thousand, twenty-eight".

Divisors: 1 2 4 1259 2518 4973 5036 9946 19892 6261007 12522014 25044028