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48045221 = 76863603
BaseRepresentation
bin1011011101000…
…1110010100101
310100101221122122
42313101302211
544244421341
64433435325
71122243350
oct267216245
9110357578
1048045221
11251360a4
121410bb45
139c52733
146549297
15434094b
hex2dd1ca5

48045221 has 4 divisors (see below), whose sum is σ = 54908832. Its totient is φ = 41181612.

The previous prime is 48045181. The next prime is 48045223. The reversal of 48045221 is 12254084.

It is a happy number.

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 48045221 - 214 = 48028837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48045223) 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, 3431795 + ... + 3431808.

It is an arithmetic number, because the mean of its divisors is an integer number (13727208).

Almost surely, 248045221 is an apocalyptic number.

It is an amenable number.

48045221 is a deficient number, since it is larger than the sum of its proper divisors (6863611).

48045221 is an equidigital number, since it uses as much as digits as its factorization.

48045221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863610.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 48045221 is about 6931.4660065530. The cubic root of 48045221 is about 363.5382105372.

The spelling of 48045221 in words is "forty-eight million, forty-five thousand, two hundred twenty-one".

Divisors: 1 7 6863603 48045221