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1448376553 = 13206953849
BaseRepresentation
bin101011001010100…
…0111100011101001
310201221101011010001
41112111013203221
510431241022203
6355415423001
750614666111
oct12625074351
93657334101
101448376553
11683630818
12345084a61
131a10b8c60
14da506041
158724d91d
hex565478e9

1448376553 has 8 divisors (see below), whose sum is σ = 1560573000. Its totient is φ = 1336291968.

The previous prime is 1448376541. The next prime is 1448376571. The reversal of 1448376553 is 3556738441.

It can be written as a sum of positive squares in 4 ways, for example, as 198612649 + 1249763904 = 14093^2 + 35352^2 .

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 1448376553 - 25 = 1448376521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448376583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28 + ... + 53821.

It is an arithmetic number, because the mean of its divisors is an integer number (195071625).

Almost surely, 21448376553 is an apocalyptic number.

1448376553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1448376553 is a deficient number, since it is larger than the sum of its proper divisors (112196447).

1448376553 is a wasteful number, since it uses less digits than its factorization.

1448376553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55931.

The product of its digits is 1209600, while the sum is 46.

The square root of 1448376553 is about 38057.5426558258. The cubic root of 1448376553 is about 1131.4286243257.

The spelling of 1448376553 in words is "one billion, four hundred forty-eight million, three hundred seventy-six thousand, five hundred fifty-three".

Divisors: 1 13 2069 26897 53849 700037 111413581 1448376553