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49438961 = 1113345727
BaseRepresentation
bin1011110010011…
…0000011110001
310110000202111122
42330212003301
5100124021321
64523352025
71140136625
oct274460361
9113022448
1049438961
11259a8250
1214682615
13a31cc30
1467cd185
1545188ab
hex2f260f1

49438961 has 8 divisors (see below), whose sum is σ = 58082304. Its totient is φ = 41487120.

The previous prime is 49438957. The next prime is 49439051. The reversal of 49438961 is 16983494.

49438961 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 49438961 - 22 = 49438957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49438561) 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, 172721 + ... + 173006.

It is an arithmetic number, because the mean of its divisors is an integer number (7260288).

Almost surely, 249438961 is an apocalyptic number.

It is an amenable number.

49438961 is a deficient number, since it is larger than the sum of its proper divisors (8643343).

49438961 is a wasteful number, since it uses less digits than its factorization.

49438961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345751.

The product of its digits is 186624, while the sum is 44.

The square root of 49438961 is about 7031.2844488045. The cubic root of 49438961 is about 367.0200401365.

The spelling of 49438961 in words is "forty-nine million, four hundred thirty-eight thousand, nine hundred sixty-one".

Divisors: 1 11 13 143 345727 3802997 4494451 49438961