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49620231 = 325513359
BaseRepresentation
bin1011110101001…
…0010100000111
310110100222011100
42331102110013
5100200321411
64531311143
71141523253
oct275222407
9113328140
1049620231
1126011461
121474b4b3
13a3845ab
146839263
154552456
hex2f52507

49620231 has 6 divisors (see below), whose sum is σ = 71673680. Its totient is φ = 33080148.

The previous prime is 49620227. The next prime is 49620251. The reversal of 49620231 is 13202694.

49620231 is a `hidden beast` number, since 4 + 9 + 620 + 2 + 31 = 666.

49620231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49620231 - 22 = 49620227 is a prime.

It is a super-2 number, since 2×496202312 = 4924334648986722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49620195 and 49620204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49620211) 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 5 ways as a sum of consecutive naturals, for example, 2756671 + ... + 2756688.

Almost surely, 249620231 is an apocalyptic number.

49620231 is a deficient number, since it is larger than the sum of its proper divisors (22053449).

49620231 is a wasteful number, since it uses less digits than its factorization.

49620231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513365 (or 5513362 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 49620231 is about 7044.1629027160. The cubic root of 49620231 is about 367.4680577541.

The spelling of 49620231 in words is "forty-nine million, six hundred twenty thousand, two hundred thirty-one".

Divisors: 1 3 9 5513359 16540077 49620231