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49431171 = 326961253
BaseRepresentation
bin1011110010010…
…0001010000011
310110000100211010
42330210022003
5100123244141
64523252003
71140105126
oct274441203
9113010733
1049431171
11259a2409
121467a003
13a31951a
1467ca3bd
154516416
hex2f24283

49431171 has 8 divisors (see below), whose sum is σ = 66154320. Its totient is φ = 32831072.

The previous prime is 49431133. The next prime is 49431211. The reversal of 49431171 is 17113494.

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 49431171 - 29 = 49430659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49431101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29820 + ... + 31433.

It is an arithmetic number, because the mean of its divisors is an integer number (8269290).

Almost surely, 249431171 is an apocalyptic number.

49431171 is a deficient number, since it is larger than the sum of its proper divisors (16723149).

49431171 is a wasteful number, since it uses less digits than its factorization.

49431171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61525.

The product of its digits is 3024, while the sum is 30.

The square root of 49431171 is about 7030.7304741399. The cubic root of 49431171 is about 367.0007622482. Note that the first 3 decimals are identical.

The spelling of 49431171 in words is "forty-nine million, four hundred thirty-one thousand, one hundred seventy-one".

Divisors: 1 3 269 807 61253 183759 16477057 49431171