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49451049 = 3231717333
BaseRepresentation
bin1011110010100…
…1000000101001
310110001101002100
42330221000221
5100124413144
64523524013
71140220104
oct274510051
9113041070
1049451049
1125a0633a
1214689609
13a32559b
1467d373b
15451c269
hex2f29029

49451049 has 12 divisors (see below), whose sum is σ = 71658756. Its totient is φ = 32861472.

The previous prime is 49451047. The next prime is 49451063. The reversal of 49451049 is 94015494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2624400 + 46826649 = 1620^2 + 6843^2 .

It is not a de Polignac number, because 49451049 - 21 = 49451047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49451041) 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 11 ways as a sum of consecutive naturals, for example, 5814 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (5971563).

Almost surely, 249451049 is an apocalyptic number.

It is an amenable number.

49451049 is a deficient number, since it is larger than the sum of its proper divisors (22207707).

49451049 is a wasteful number, since it uses less digits than its factorization.

49451049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656 (or 17653 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 49451049 is about 7032.1439831676. The cubic root of 49451049 is about 367.0499502628.

The spelling of 49451049 in words is "forty-nine million, four hundred fifty-one thousand, forty-nine".

Divisors: 1 3 9 317 951 2853 17333 51999 155997 5494561 16483683 49451049