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49201481 = 755712619
BaseRepresentation
bin1011101110110…
…0000101001001
310102120200202002
42323230011021
5100043421411
64514320345
71135130360
oct273540511
9112520662
1049201481
112585588a
12145890b5
13a268b04
14676a7d7
1544bd33b
hex2eec149

49201481 has 8 divisors (see below), whose sum is σ = 56335680. Its totient is φ = 42093648.

The previous prime is 49201459. The next prime is 49201483. The reversal of 49201481 is 18410294.

49201481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49201481 - 210 = 49200457 is a prime.

It is a super-2 number, since 2×492014812 = 4841571465186722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49201483) 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 7 ways as a sum of consecutive naturals, for example, 2411 + ... + 10208.

It is an arithmetic number, because the mean of its divisors is an integer number (7041960).

Almost surely, 249201481 is an apocalyptic number.

It is an amenable number.

49201481 is a deficient number, since it is larger than the sum of its proper divisors (7134199).

49201481 is a wasteful number, since it uses less digits than its factorization.

49201481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13183.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 49201481 is about 7014.3767363893. The cubic root of 49201481 is about 366.4314365432.

The spelling of 49201481 in words is "forty-nine million, two hundred one thousand, four hundred eighty-one".

Divisors: 1 7 557 3899 12619 88333 7028783 49201481