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48385553 = 1711292521
BaseRepresentation
bin1011100010010…
…0111000010001
310101001020111112
42320210320101
544341314203
64445023105
71125161516
oct270447021
9111036445
1048385553
1125348867
1214254a95
13a041608
1465d730d
1543ab6d8
hex2e24e11

48385553 has 8 divisors (see below), whose sum is σ = 51297480. Its totient is φ = 45480960.

The previous prime is 48385541. The next prime is 48385559. The reversal of 48385553 is 35558384.

It can be written as a sum of positive squares in 4 ways, for example, as 332929 + 48052624 = 577^2 + 6932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48385553 - 220 = 47336977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48385553.

It is not an unprimeable number, because it can be changed into a prime (48385559) 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 7 ways as a sum of consecutive naturals, for example, 17933 + ... + 20453.

It is an arithmetic number, because the mean of its divisors is an integer number (6412185).

Almost surely, 248385553 is an apocalyptic number.

It is an amenable number.

48385553 is a deficient number, since it is larger than the sum of its proper divisors (2911927).

48385553 is a wasteful number, since it uses less digits than its factorization.

48385553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667.

The product of its digits is 288000, while the sum is 41.

The square root of 48385553 is about 6955.9724697558. The cubic root of 48385553 is about 364.3945752463.

The spelling of 48385553 in words is "forty-eight million, three hundred eighty-five thousand, five hundred fifty-three".

Divisors: 1 17 1129 2521 19193 42857 2846209 48385553