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49688444 = 2213979851
BaseRepresentation
bin1011110110001…
…0111101111100
310110111102201202
42331202331330
5100210012234
64532555032
71142226161
oct275427574
9113442652
1049688444
1126058733
1214782a78
13a3a9660
146856068
15456777e
hex2f62f7c

49688444 has 24 divisors (see below), whose sum is σ = 94618608. Its totient is φ = 22694400.

The previous prime is 49688423. The next prime is 49688453. The reversal of 49688444 is 44488694.

It is a super-2 number, since 2×496884442 = 4937882934282272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (3942442).

Almost surely, 249688444 is an apocalyptic number.

It is an amenable number.

49688444 is a deficient number, since it is larger than the sum of its proper divisors (44930164).

49688444 is a wasteful number, since it uses less digits than its factorization.

49688444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965 (or 9963 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 49688444 is about 7049.0030500774. The cubic root of 49688444 is about 367.6363669346.

The spelling of 49688444 in words is "forty-nine million, six hundred eighty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 97 194 388 1261 2522 5044 9851 19702 39404 128063 256126 512252 955547 1911094 3822188 12422111 24844222 49688444