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49520697 = 316506899
BaseRepresentation
bin1011110011101…
…0000000111001
310110011220121220
42330322000321
5100134130242
64525222253
71140630132
oct274720071
9113156556
1049520697
1125a536a6
1214701989
13a34b1b5
146810c89
154532bec
hex2f3a039

49520697 has 4 divisors (see below), whose sum is σ = 66027600. Its totient is φ = 33013796.

The previous prime is 49520687. The next prime is 49520741. The reversal of 49520697 is 79602594.

49520697 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49520697 - 215 = 49487929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49520617) 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, 8253447 + ... + 8253452.

It is an arithmetic number, because the mean of its divisors is an integer number (16506900).

Almost surely, 249520697 is an apocalyptic number.

It is an amenable number.

49520697 is a deficient number, since it is larger than the sum of its proper divisors (16506903).

49520697 is a wasteful number, since it uses less digits than its factorization.

49520697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506902.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 49520697 is about 7037.0943577587. The cubic root of 49520697 is about 367.2221899696. Note that the first 3 decimals are identical.

The spelling of 49520697 in words is "forty-nine million, five hundred twenty thousand, six hundred ninety-seven".

Divisors: 1 3 16506899 49520697