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49762421 = 73681677
BaseRepresentation
bin1011110111010…
…1000001110101
310110122012012122
42331311001311
5100214344141
64534325325
71142654642
oct275650165
9113565178
1049762421
11260a9275
12147b9845
13a404227
146874dc9
15457e64b
hex2f75075

49762421 has 4 divisors (see below), whose sum is σ = 50444172. Its totient is φ = 49080672.

The previous prime is 49762393. The next prime is 49762439. The reversal of 49762421 is 12426794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34939921 + 14822500 = 5911^2 + 3850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49762421 is a prime.

It is a super-3 number, since 3×497624213 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49762721) 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, 340766 + ... + 340911.

It is an arithmetic number, because the mean of its divisors is an integer number (12611043).

Almost surely, 249762421 is an apocalyptic number.

It is an amenable number.

49762421 is a deficient number, since it is larger than the sum of its proper divisors (681751).

49762421 is an equidigital number, since it uses as much as digits as its factorization.

49762421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681750.

The product of its digits is 24192, while the sum is 35.

The square root of 49762421 is about 7054.2484362262. The cubic root of 49762421 is about 367.8187242230.

The spelling of 49762421 in words is "forty-nine million, seven hundred sixty-two thousand, four hundred twenty-one".

Divisors: 1 73 681677 49762421