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48042145 = 524139869
BaseRepresentation
bin1011011101000…
…1000010100001
310100101210102201
42313101002201
544244322040
64433413201
71122231364
oct267210241
9110353381
1048042145
1125133858
121410a201
139c51208
1465480db
15433ea9a
hex2dd10a1

48042145 has 8 divisors (see below), whose sum is σ = 57891240. Its totient is φ = 38273280.

The previous prime is 48042133. The next prime is 48042151. The reversal of 48042145 is 54124084.

It can be written as a sum of positive squares in 4 ways, for example, as 10575504 + 37466641 = 3252^2 + 6121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48042145 - 219 = 47517857 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18730 + ... + 21139.

It is an arithmetic number, because the mean of its divisors is an integer number (7236405).

Almost surely, 248042145 is an apocalyptic number.

It is an amenable number.

48042145 is a deficient number, since it is larger than the sum of its proper divisors (9849095).

48042145 is a wasteful number, since it uses less digits than its factorization.

48042145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40115.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 48042145 is about 6931.2441163185. The cubic root of 48042145 is about 363.5304521006.

The spelling of 48042145 in words is "forty-eight million, forty-two thousand, one hundred forty-five".

Divisors: 1 5 241 1205 39869 199345 9608429 48042145