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51254336 = 267114407
BaseRepresentation
bin1100001110000…
…1010001000000
310120102222201202
43003201101000
5101110114321
65030320332
71161440360
oct303412100
9116388652
1051254336
1126a28161
12151b90a8
13a807313
146b429a0
15477670b
hex30e1440

51254336 has 28 divisors (see below), whose sum is σ = 116238528. Its totient is φ = 21965952.

The previous prime is 51254317. The next prime is 51254341. The reversal of 51254336 is 63345215.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 51254299 and 51254308.

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, 56756 + ... + 57651.

It is an arithmetic number, because the mean of its divisors is an integer number (4151376).

Almost surely, 251254336 is an apocalyptic number.

51254336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51254336 is an abundant number, since it is smaller than the sum of its proper divisors (64984192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51254336 is a wasteful number, since it uses less digits than its factorization.

51254336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114426 (or 114416 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 51254336 is about 7159.2133646093. The cubic root of 51254336 is about 371.4584172129.

The spelling of 51254336 in words is "fifty-one million, two hundred fifty-four thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 114407 228814 457628 800849 915256 1601698 1830512 3203396 3661024 6406792 7322048 12813584 25627168 51254336