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48309197 = 253119087
BaseRepresentation
bin1011100001001…
…0001111001101
310100220100202112
42320102033031
544331343242
64443233405
71124423066
oct270221715
9110810675
1048309197
11252a6462
1214218865
13a015931
1465b756d
154393c82
hex2e123cd

48309197 has 4 divisors (see below), whose sum is σ = 48330816. Its totient is φ = 48287580.

The previous prime is 48309187. The next prime is 48309199. The reversal of 48309197 is 79190384.

It is a happy number.

48309197 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 48309197 - 28 = 48308941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48309199) 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, 7013 + ... + 12074.

It is an arithmetic number, because the mean of its divisors is an integer number (12082704).

Almost surely, 248309197 is an apocalyptic number.

It is an amenable number.

48309197 is a deficient number, since it is larger than the sum of its proper divisors (21619).

48309197 is a wasteful number, since it uses less digits than its factorization.

48309197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21618.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 48309197 is about 6950.4817818623. The cubic root of 48309197 is about 364.2027937518.

The spelling of 48309197 in words is "forty-eight million, three hundred nine thousand, one hundred ninety-seven".

Divisors: 1 2531 19087 48309197