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48824921 = 190725603
BaseRepresentation
bin1011101001000…
…0001001011001
310101212120012102
42322100021121
544444344141
64502253145
71132001465
oct272201131
9111776172
1048824921
1125618982
12144271b5
13a1665b2
1466ad4a5
15444699b
hex2e90259

48824921 has 4 divisors (see below), whose sum is σ = 48852432. Its totient is φ = 48797412.

The previous prime is 48824911. The next prime is 48824933. The reversal of 48824921 is 12942884.

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 48824921 - 218 = 48562777 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (48824911) 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, 10895 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (12213108).

Almost surely, 248824921 is an apocalyptic number.

It is an amenable number.

48824921 is a deficient number, since it is larger than the sum of its proper divisors (27511).

48824921 is a wasteful number, since it uses less digits than its factorization.

48824921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27510.

The product of its digits is 36864, while the sum is 38.

The square root of 48824921 is about 6987.4831663482. The cubic root of 48824921 is about 365.4942226033.

The spelling of 48824921 in words is "forty-eight million, eight hundred twenty-four thousand, nine hundred twenty-one".

Divisors: 1 1907 25603 48824921