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49301691 = 316433897
BaseRepresentation
bin1011110000010…
…0100010111011
310102202210012120
42330010202323
5100110123231
64520412323
71136025465
oct274044273
9112683176
1049301691
11259140aa
12146170a3
13a2a25ca
146795135
1544dcd96
hex2f048bb

49301691 has 4 divisors (see below), whose sum is σ = 65735592. Its totient is φ = 32867792.

The previous prime is 49301677. The next prime is 49301701. The reversal of 49301691 is 19610394.

49301691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 49301691 - 29 = 49301179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49301621) 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 3 ways as a sum of consecutive naturals, for example, 8216946 + ... + 8216951.

It is an arithmetic number, because the mean of its divisors is an integer number (16433898).

Almost surely, 249301691 is an apocalyptic number.

49301691 is a deficient number, since it is larger than the sum of its proper divisors (16433901).

49301691 is a wasteful number, since it uses less digits than its factorization.

49301691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433900.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 49301691 is about 7021.5162892355. The cubic root of 49301691 is about 366.6800414772.

The spelling of 49301691 in words is "forty-nine million, three hundred one thousand, six hundred ninety-one".

Divisors: 1 3 16433897 49301691