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49005697 = 133769669
BaseRepresentation
bin1011101011110…
…0010010000001
310102012202011211
42322330102001
5100021140242
64510210121
71133353516
oct272742201
9112182154
1049005697
1125731784
12144b3941
13a1ca970
14671930d
154480317
hex2ebc481

49005697 has 4 divisors (see below), whose sum is σ = 52775380. Its totient is φ = 45236016.

The previous prime is 49005689. The next prime is 49005707. The reversal of 49005697 is 79650094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 43970161 = 2244^2 + 6631^2 .

It is a cyclic number.

It is not a de Polignac number, because 49005697 - 23 = 49005689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49005647) 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, 1884822 + ... + 1884847.

It is an arithmetic number, because the mean of its divisors is an integer number (13193845).

Almost surely, 249005697 is an apocalyptic number.

It is an amenable number.

49005697 is a deficient number, since it is larger than the sum of its proper divisors (3769683).

49005697 is a wasteful number, since it uses less digits than its factorization.

49005697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769682.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 49005697 is about 7000.4069167442. The cubic root of 49005697 is about 365.9447521293.

The spelling of 49005697 in words is "forty-nine million, five thousand, six hundred ninety-seven".

Divisors: 1 13 3769669 49005697