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48469721 = 227213523
BaseRepresentation
bin1011100011100…
…1011011011001
310101012111221212
42320321123121
544402012341
64450512505
71125662066
oct270713331
9111174855
1048469721
11253a6023
1214295735
13a070a11
146619c6d
1543c65eb
hex2e396d9

48469721 has 4 divisors (see below), whose sum is σ = 48683472. Its totient is φ = 48255972.

The previous prime is 48469711. The next prime is 48469723. The reversal of 48469721 is 12796484.

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 48469721 - 26 = 48469657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48469723) 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, 106535 + ... + 106988.

It is an arithmetic number, because the mean of its divisors is an integer number (12170868).

Almost surely, 248469721 is an apocalyptic number.

It is an amenable number.

48469721 is a deficient number, since it is larger than the sum of its proper divisors (213751).

48469721 is a wasteful number, since it uses less digits than its factorization.

48469721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213750.

The product of its digits is 96768, while the sum is 41.

The square root of 48469721 is about 6962.0198936803. The cubic root of 48469721 is about 364.6057443102.

The spelling of 48469721 in words is "forty-eight million, four hundred sixty-nine thousand, seven hundred twenty-one".

Divisors: 1 227 213523 48469721