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48147331 = 202723753
BaseRepresentation
bin1011011110101…
…0101110000011
310100121010201111
42313222232003
544311203311
64435544151
71123150141
oct267525603
9110533644
1048147331
11251a5891
121415b057
139c8a05b
146574591
154360d21
hex2deab83

48147331 has 4 divisors (see below), whose sum is σ = 48173112. Its totient is φ = 48121552.

The previous prime is 48147299. The next prime is 48147343. The reversal of 48147331 is 13374184.

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 48147331 - 25 = 48147299 is a prime.

It is a super-2 number, since 2×481473312 = 4636330964847122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48147293 and 48147302.

It is not an unprimeable number, because it can be changed into a prime (48147031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9850 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (12043278).

Almost surely, 248147331 is an apocalyptic number.

48147331 is the 4389-th centered pentagonal number.

48147331 is a deficient number, since it is larger than the sum of its proper divisors (25781).

48147331 is a wasteful number, since it uses less digits than its factorization.

48147331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780.

The product of its digits is 8064, while the sum is 31.

The square root of 48147331 is about 6938.8277828463. The cubic root of 48147331 is about 363.7955696069.

The spelling of 48147331 in words is "forty-eight million, one hundred forty-seven thousand, three hundred thirty-one".

Divisors: 1 2027 23753 48147331