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51483438 = 23635311
BaseRepresentation
bin1100010001100…
…1001100101110
310120212122000000
43010121030232
5101134432223
65035245130
71163413326
oct304311456
9116778000
1051483438
11270742a6
12152a97a6
13a887696
146ba2286
1547be543
hex311932e

51483438 has 28 divisors (see below), whose sum is σ = 115788048. Its totient is φ = 17160660.

The previous prime is 51483401. The next prime is 51483457. The reversal of 51483438 is 83438415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 16198 + ... + 19113.

Almost surely, 251483438 is an apocalyptic number.

51483438 is an abundant number, since it is smaller than the sum of its proper divisors (64304610).

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

51483438 is an equidigital number, since it uses as much as digits as its factorization.

51483438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35331 (or 35316 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 51483438 is about 7175.1960251968. The cubic root of 51483438 is about 372.0110558629.

The spelling of 51483438 in words is "fifty-one million, four hundred eighty-three thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 35311 70622 105933 211866 317799 635598 953397 1906794 2860191 5720382 8580573 17161146 25741719 51483438