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49994069 = 197253777
BaseRepresentation
bin1011111010110…
…1100101010101
310111001221222012
42332231211111
5100244302234
64543314005
71144641206
oct276554525
9114057865
1049994069
1126247314
12148ab905
13a4857b8
1468d55ad
1545c80ce
hex2fad955

49994069 has 4 divisors (see below), whose sum is σ = 50248044. Its totient is φ = 49740096.

The previous prime is 49994053. The next prime is 49994071. The reversal of 49994069 is 96049994.

It is a happy number.

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 42902500 + 7091569 = 6550^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 49994069 - 24 = 49994053 is a prime.

It is a super-2 number, since 2×499940692 = 4998813870353522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49994039) 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, 126692 + ... + 127085.

It is an arithmetic number, because the mean of its divisors is an integer number (12562011).

Almost surely, 249994069 is an apocalyptic number.

It is an amenable number.

49994069 is a deficient number, since it is larger than the sum of its proper divisors (253975).

49994069 is a wasteful number, since it uses less digits than its factorization.

49994069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253974.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 49994069 is about 7070.6484143960. The cubic root of 49994069 is about 368.3885826275.

The spelling of 49994069 in words is "forty-nine million, nine hundred ninety-four thousand, sixty-nine".

Divisors: 1 197 253777 49994069