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49955207 = 431161749
BaseRepresentation
bin1011111010010…
…0000110000111
310110222222122212
42332210012013
5100242031312
64542414035
71144420001
oct276440607
9113888585
1049955207
11262200a5
121489131b
13a470bc3
1468c5371
1545bb822
hex2fa4187

49955207 has 4 divisors (see below), whose sum is σ = 51117000. Its totient is φ = 48793416.

The previous prime is 49955189. The next prime is 49955221. The reversal of 49955207 is 70255994.

49955207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70255994 = 235127997.

It is a cyclic number.

It is not a de Polignac number, because 49955207 - 28 = 49954951 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 (49955107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580832 + ... + 580917.

It is an arithmetic number, because the mean of its divisors is an integer number (12779250).

Almost surely, 249955207 is an apocalyptic number.

49955207 is a deficient number, since it is larger than the sum of its proper divisors (1161793).

49955207 is a wasteful number, since it uses less digits than its factorization.

49955207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161792.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 49955207 is about 7067.8997587685. The cubic root of 49955207 is about 368.2931044471.

The spelling of 49955207 in words is "forty-nine million, nine hundred fifty-five thousand, two hundred seven".

Divisors: 1 43 1161749 49955207