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48773281 = 103473527
BaseRepresentation
bin1011101000001…
…1100010100001
310101202221100211
42322003202201
544441221111
64501214121
71131365104
oct272034241
9111687324
1048773281
11255930a7
1214401341
13a148c3b
14669873b
154436521
hex2e838a1

48773281 has 4 divisors (see below), whose sum is σ = 49246912. Its totient is φ = 48299652.

The previous prime is 48773269. The next prime is 48773287. The reversal of 48773281 is 18237784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48773281 - 29 = 48772769 is a prime.

It is a super-2 number, since 2×487732812 = 4757665879009922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48773287) 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 3 ways as a sum of consecutive naturals, for example, 236661 + ... + 236866.

It is an arithmetic number, because the mean of its divisors is an integer number (12311728).

Almost surely, 248773281 is an apocalyptic number.

It is an amenable number.

48773281 is a deficient number, since it is larger than the sum of its proper divisors (473631).

48773281 is a wasteful number, since it uses less digits than its factorization.

48773281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473630.

The product of its digits is 75264, while the sum is 40.

The square root of 48773281 is about 6983.7870099252. The cubic root of 48773281 is about 365.3653213558.

The spelling of 48773281 in words is "forty-eight million, seven hundred seventy-three thousand, two hundred eighty-one".

Divisors: 1 103 473527 48773281