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5251444 = 221141271
BaseRepresentation
bin10100000010000101110100
3100212210121221
4110002011310
52321021234
6304320124
762431222
oct24020564
910783557
105251444
112a67540
121913044
13111b383
149a9b12
156daeb4
hex502174

5251444 has 36 divisors (see below), whose sum is σ = 10420704. Its totient is φ = 2296000.

The previous prime is 5251423. The next prime is 5251457. The reversal of 5251444 is 4441525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73929 + ... + 73999.

It is an arithmetic number, because the mean of its divisors is an integer number (289464).

Almost surely, 25251444 is an apocalyptic number.

It is an amenable number.

5251444 is a deficient number, since it is larger than the sum of its proper divisors (5169260).

5251444 is a wasteful number, since it uses less digits than its factorization.

5251444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 125 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 5251444 is about 2291.6029324471. The cubic root of 5251444 is about 173.8172653312.

Adding to 5251444 its reverse (4441525), we get a palindrome (9692969).

The spelling of 5251444 in words is "five million, two hundred fifty-one thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 41 44 71 82 142 164 284 451 781 902 1562 1681 1804 2911 3124 3362 5822 6724 11644 18491 32021 36982 64042 73964 119351 128084 238702 477404 1312861 2625722 5251444