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51125344 = 258319249
BaseRepresentation
bin1100001100000…
…1110001100000
310120012102210021
43003001301200
5101042002334
65023443224
71160362324
oct303016140
9116172707
1051125344
112694a256
1215156514
13a7906aa
146b0b984
15474d3b4
hex30c1c60

51125344 has 24 divisors (see below), whose sum is σ = 101871000. Its totient is φ = 25253376.

The previous prime is 51125339. The next prime is 51125353. The reversal of 51125344 is 44352115.

It is a happy number.

It is a super-2 number, since 2×511253442 = 5227601598236672, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6969 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (4244625).

Almost surely, 251125344 is an apocalyptic number.

It is an amenable number.

51125344 is a deficient number, since it is larger than the sum of its proper divisors (50745656).

51125344 is a wasteful number, since it uses less digits than its factorization.

51125344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342 (or 19334 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 51125344 is about 7150.1988783530. The cubic root of 51125344 is about 371.1465384511.

Adding to 51125344 its reverse (44352115), we get a palindrome (95477459).

The spelling of 51125344 in words is "fifty-one million, one hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 83 166 332 664 1328 2656 19249 38498 76996 153992 307984 615968 1597667 3195334 6390668 12781336 25562672 51125344