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48028553 = 1729372633
BaseRepresentation
bin1011011100110…
…1101110001001
310100101002210022
42313031232021
544243403203
64433230225
71122143636
oct267155611
9110332708
1048028553
1125124621
1214102375
139c47c81
14654318d
15433aa38
hex2dcdb89

48028553 has 16 divisors (see below), whose sum is σ = 54049680. Its totient is φ = 42448896.

The previous prime is 48028543. The next prime is 48028559. The reversal of 48028553 is 35582084.

It can be written as a sum of positive squares in 8 ways, for example, as 1951609 + 46076944 = 1397^2 + 6788^2 .

It is a cyclic number.

It is not a de Polignac number, because 48028553 - 26 = 48028489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48028559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16925 + ... + 19557.

It is an arithmetic number, because the mean of its divisors is an integer number (3378105).

Almost surely, 248028553 is an apocalyptic number.

It is an amenable number.

48028553 is a deficient number, since it is larger than the sum of its proper divisors (6021127).

48028553 is a wasteful number, since it uses less digits than its factorization.

48028553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 48028553 is about 6930.2635592018. The cubic root of 48028553 is about 363.4961657329.

The spelling of 48028553 in words is "forty-eight million, twenty-eight thousand, five hundred fifty-three".

Divisors: 1 17 29 37 493 629 1073 2633 18241 44761 76357 97421 1298069 1656157 2825209 48028553