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49126313 = 138135573
BaseRepresentation
bin1011101101100…
…1101110101001
310102102212122002
42323121232221
5100034020223
64512540345
71134365255
oct273315651
9112385562
1049126313
1125804365
12145516b5
13a240832
14674b265
1544a5e28
hex2ed9ba9

49126313 has 4 divisors (see below), whose sum is σ = 49163268. Its totient is φ = 49089360.

The previous prime is 49126307. The next prime is 49126333. The reversal of 49126313 is 31362194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31362194 = 215681097.

It can be written as a sum of positive squares in 2 ways, for example, as 14645929 + 34480384 = 3827^2 + 5872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49126313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49126303) 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, 16406 + ... + 19167.

It is an arithmetic number, because the mean of its divisors is an integer number (12290817).

Almost surely, 249126313 is an apocalyptic number.

It is an amenable number.

49126313 is a deficient number, since it is larger than the sum of its proper divisors (36955).

49126313 is a wasteful number, since it uses less digits than its factorization.

49126313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36954.

The product of its digits is 3888, while the sum is 29.

The square root of 49126313 is about 7009.0165501303. The cubic root of 49126313 is about 366.2447351377.

The spelling of 49126313 in words is "forty-nine million, one hundred twenty-six thousand, three hundred thirteen".

Divisors: 1 1381 35573 49126313