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48249729 = 3311162457
BaseRepresentation
bin1011100000001…
…1101110000001
310100210100012000
42320003232001
544322442404
64442054213
71124054523
oct270035601
9110710160
1048249729
1125265810
12141aa369
139cc4848
14659da13
154381339
hex2e03b81

48249729 has 16 divisors (see below), whose sum is σ = 77979840. Its totient is φ = 29242080.

The previous prime is 48249709. The next prime is 48249731. The reversal of 48249729 is 92794284.

It is not a de Polignac number, because 48249729 - 27 = 48249601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48249709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80932 + ... + 81525.

It is an arithmetic number, because the mean of its divisors is an integer number (4873740).

Almost surely, 248249729 is an apocalyptic number.

It is an amenable number.

48249729 is a deficient number, since it is larger than the sum of its proper divisors (29730111).

48249729 is a wasteful number, since it uses less digits than its factorization.

48249729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162477 (or 162471 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 48249729 is about 6946.2024876907. The cubic root of 48249729 is about 364.0532894045.

The spelling of 48249729 in words is "forty-eight million, two hundred forty-nine thousand, seven hundred twenty-nine".

Divisors: 1 3 9 11 27 33 99 297 162457 487371 1462113 1787027 4386339 5361081 16083243 48249729