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48992357 = 139352463
BaseRepresentation
bin1011101011100…
…1000001100101
310102012001212202
42322321001211
5100020223412
64510024245
71133266601
oct272710145
9112161782
1048992357
1125722757
12144a8085
13a1c487b
146714501
15447b3c2
hex2eb9065

48992357 has 4 divisors (see below), whose sum is σ = 49344960. Its totient is φ = 48639756.

The previous prime is 48992353. The next prime is 48992399. The reversal of 48992357 is 75329984.

It is a happy number.

48992357 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 48992357 - 22 = 48992353 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 (48992353) 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, 176093 + ... + 176370.

It is an arithmetic number, because the mean of its divisors is an integer number (12336240).

Almost surely, 248992357 is an apocalyptic number.

It is an amenable number.

48992357 is a deficient number, since it is larger than the sum of its proper divisors (352603).

48992357 is a wasteful number, since it uses less digits than its factorization.

48992357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352602.

The product of its digits is 544320, while the sum is 47.

The square root of 48992357 is about 6999.4540501385. The cubic root of 48992357 is about 365.9115441126.

The spelling of 48992357 in words is "forty-eight million, nine hundred ninety-two thousand, three hundred fifty-seven".

Divisors: 1 139 352463 48992357