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48487283 = 1321132539
BaseRepresentation
bin1011100011110…
…1101101110011
310101020102001022
42320331231303
544403043113
64451130055
71126064225
oct270755563
9111212038
1048487283
1125408239
12142a392b
13a078a00
146622415
1543cb908
hex2e3db73

48487283 has 12 divisors (see below), whose sum is σ = 52989480. Its totient is φ = 44343936.

The previous prime is 48487261. The next prime is 48487291. The reversal of 48487283 is 38278484.

It is not a de Polignac number, because 48487283 - 28 = 48487027 is a prime.

It is a super-2 number, since 2×484872832 = 4702033225444178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48487783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17828 + ... + 20366.

It is an arithmetic number, because the mean of its divisors is an integer number (4415790).

Almost surely, 248487283 is an apocalyptic number.

48487283 is a deficient number, since it is larger than the sum of its proper divisors (4502197).

48487283 is a wasteful number, since it uses less digits than its factorization.

48487283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2665 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 48487283 is about 6963.2810513435. The cubic root of 48487283 is about 364.6497747739.

The spelling of 48487283 in words is "forty-eight million, four hundred eighty-seven thousand, two hundred eighty-three".

Divisors: 1 13 113 169 1469 2539 19097 33007 286907 429091 3729791 48487283