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48442457 = 719457797
BaseRepresentation
bin1011100011001…
…0110001011001
310101011010120002
42320302301121
544400124312
64450142345
71125516440
oct270626131
9111133502
1048442457
1125387598
12142819b5
13a06149b
14660dd57
1543bd4c2
hex2e32c59

48442457 has 16 divisors (see below), whose sum is σ = 58477440. Its totient is φ = 39201408.

The previous prime is 48442453. The next prime is 48442463. The reversal of 48442457 is 75424484.

48442457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48442457 - 22 = 48442453 is a prime.

Its product of digits (143360) is a multiple of the sum of its prime divisors (1280).

It is a self number, because there is not a number n which added to its sum of digits gives 48442457.

It is not an unprimeable number, because it can be changed into a prime (48442453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60383 + ... + 61179.

It is an arithmetic number, because the mean of its divisors is an integer number (3654840).

Almost surely, 248442457 is an apocalyptic number.

It is an amenable number.

48442457 is a deficient number, since it is larger than the sum of its proper divisors (10034983).

48442457 is a wasteful number, since it uses less digits than its factorization.

48442457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its digits is 143360, while the sum is 38.

The square root of 48442457 is about 6960.0615658197. The cubic root of 48442457 is about 364.5373684579.

The spelling of 48442457 in words is "forty-eight million, four hundred forty-two thousand, four hundred fifty-seven".

Divisors: 1 7 19 133 457 797 3199 5579 8683 15143 60781 106001 364229 2549603 6920351 48442457