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49395893 = 383128971
BaseRepresentation
bin1011110001101…
…1100010110101
310102221120102112
42330123202311
5100121132033
64522420405
71136600231
oct274334265
9112846375
1049395893
1125978958
1214661705
13a306451
1467bb5c1
15450ac48
hex2f1b8b5

49395893 has 4 divisors (see below), whose sum is σ = 49525248. Its totient is φ = 49266540.

The previous prime is 49395889. The next prime is 49395901. The reversal of 49395893 is 39859394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49395893 - 22 = 49395889 is a prime.

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 (49395293) 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, 64103 + ... + 64868.

It is an arithmetic number, because the mean of its divisors is an integer number (12381312).

Almost surely, 249395893 is an apocalyptic number.

It is an amenable number.

49395893 is a deficient number, since it is larger than the sum of its proper divisors (129355).

49395893 is a wasteful number, since it uses less digits than its factorization.

49395893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129354.

The product of its digits is 1049760, while the sum is 50.

The square root of 49395893 is about 7028.2211832013. The cubic root of 49395893 is about 366.9134345300.

The spelling of 49395893 in words is "forty-nine million, three hundred ninety-five thousand, eight hundred ninety-three".

Divisors: 1 383 128971 49395893