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48642269 = 133741713
BaseRepresentation
bin1011100110001…
…1100011011101
310101112021122112
42321203203131
544423023034
64454323405
71130311124
oct271434335
9111467575
1048642269
1125503725
1214359565
13a101410
146662abb
15440c7ce
hex2e638dd

48642269 has 4 divisors (see below), whose sum is σ = 52383996. Its totient is φ = 44900544.

The previous prime is 48642259. The next prime is 48642271. The reversal of 48642269 is 96224684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9078169 + 39564100 = 3013^2 + 6290^2 .

It is not a de Polignac number, because 48642269 - 216 = 48576733 is a prime.

It is a super-2 number, since 2×486422692 = 4732140666936722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48642239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870844 + ... + 1870869.

It is an arithmetic number, because the mean of its divisors is an integer number (13095999).

Almost surely, 248642269 is an apocalyptic number.

It is an amenable number.

48642269 is a deficient number, since it is larger than the sum of its proper divisors (3741727).

48642269 is a wasteful number, since it uses less digits than its factorization.

48642269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741726.

The product of its digits is 165888, while the sum is 41.

The square root of 48642269 is about 6974.4009778618. The cubic root of 48642269 is about 365.0378868535.

The spelling of 48642269 in words is "forty-eight million, six hundred forty-two thousand, two hundred sixty-nine".

Divisors: 1 13 3741713 48642269