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49250013 = 3149239461
BaseRepresentation
bin1011101111011…
…1111011011101
310102200011022120
42323313323131
5100102000023
64515333153
71135422021
oct273677335
9112604276
1049250013
112588929a
12145b11b9
13a284c27
146780381
1544cc8e3
hex2ef7edd

49250013 has 16 divisors (see below), whose sum is σ = 66528000. Its totient is φ = 32406080.

The previous prime is 49250011. The next prime is 49250021. The reversal of 49250013 is 31005294.

It is a cyclic number.

It is not a de Polignac number, because 49250013 - 21 = 49250011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49250011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106603 + ... + 107063.

It is an arithmetic number, because the mean of its divisors is an integer number (4158000).

Almost surely, 249250013 is an apocalyptic number.

It is an amenable number.

49250013 is a deficient number, since it is larger than the sum of its proper divisors (17277987).

49250013 is a wasteful number, since it uses less digits than its factorization.

49250013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 49250013 is about 7017.8353500207. The cubic root of 49250013 is about 366.5518787609.

It can be divided in two parts, 492 and 50013, that added together give a palindrome (50505).

The spelling of 49250013 in words is "forty-nine million, two hundred fifty thousand, thirteen".

Divisors: 1 3 149 239 447 461 717 1383 35611 68689 106833 110179 206067 330537 16416671 49250013