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48943749 = 316314583
BaseRepresentation
bin1011101010110…
…1001010000101
310102002121012110
42322231022011
5100012144444
64505011233
71133005101
oct272551205
9112077173
1048943749
112569a188
1214483b19
13a1a86ca
146700901
15446bcb9
hex2ead285

48943749 has 4 divisors (see below), whose sum is σ = 65258336. Its totient is φ = 32629164.

The previous prime is 48943733. The next prime is 48943757. The reversal of 48943749 is 94734984.

48943749 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 not a de Polignac number, because 48943749 - 24 = 48943733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48943698 and 48943707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48943789) 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, 8157289 + ... + 8157294.

It is an arithmetic number, because the mean of its divisors is an integer number (16314584).

Almost surely, 248943749 is an apocalyptic number.

It is an amenable number.

48943749 is a deficient number, since it is larger than the sum of its proper divisors (16314587).

48943749 is a wasteful number, since it uses less digits than its factorization.

48943749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16314586.

The product of its digits is 870912, while the sum is 48.

The square root of 48943749 is about 6995.9809176412. The cubic root of 48943749 is about 365.7904904429.

The spelling of 48943749 in words is "forty-eight million, nine hundred forty-three thousand, seven hundred forty-nine".

Divisors: 1 3 16314583 48943749