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47983025 = 5212891489
BaseRepresentation
bin1011011100001…
…0100110110001
310100021210100002
42313002212301
544240424100
64432235345
71121564126
oct267024661
9110253302
1047983025
11250a33a2
121409bb55
139c3032c
14653074d
15432c2d5
hex2dc29b1

47983025 has 12 divisors (see below), whose sum is σ = 59585100. Its totient is φ = 38330880.

The previous prime is 47983003. The next prime is 47983031. The reversal of 47983025 is 52038974.

47983025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 758641 + 47224384 = 871^2 + 6872^2 .

It is not a de Polignac number, because 47983025 - 210 = 47982001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47983025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31481 + ... + 32969.

It is an arithmetic number, because the mean of its divisors is an integer number (4965425).

Almost surely, 247983025 is an apocalyptic number.

It is an amenable number.

47983025 is a deficient number, since it is larger than the sum of its proper divisors (11602075).

47983025 is a wasteful number, since it uses less digits than its factorization.

47983025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 47983025 is about 6926.9780568441. The cubic root of 47983025 is about 363.3812723735.

The spelling of 47983025 in words is "forty-seven million, nine hundred eighty-three thousand, twenty-five".

Divisors: 1 5 25 1289 1489 6445 7445 32225 37225 1919321 9596605 47983025