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48455521 = 69612
BaseRepresentation
bin1011100011010…
…1111101100001
310101011210110221
42320311331201
544401034041
64450323041
71125602512
oct270657541
9111153427
1048455521
1125396394
1214289481
13a06740a
146614a09
1543c22d1
hex2e35f61

48455521 has 3 divisors (see below), whose sum is σ = 48462483. Its totient is φ = 48448560.

The previous prime is 48455513. The next prime is 48455531. The reversal of 48455521 is 12555484.

It is a happy number.

The square root of 48455521 is 6961.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 37957921 + 10497600 = 6161^2 + 3240^2 .

It is not a de Polignac number, because 48455521 - 23 = 48455513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48455501) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3481 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (16154161).

Almost surely, 248455521 is an apocalyptic number.

48455521 is the 6961-st square number.

48455521 is the 3481-st centered octagonal number.

It is an amenable number.

48455521 is a deficient number, since it is larger than the sum of its proper divisors (6962).

48455521 is an frugal number, since it uses more digits than its factorization.

48455521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922 (or 6961 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The cubic root of 48455521 is about 364.5701350876.

The spelling of 48455521 in words is "forty-eight million, four hundred fifty-five thousand, five hundred twenty-one".

Divisors: 1 6961 48455521