Search a number
-
+
49550140 = 2254160427
BaseRepresentation
bin1011110100000…
…1001100111100
310110020102000101
42331001030330
5100141101030
64530010444
71141112023
oct275011474
9113212011
1049550140
1125a73832
1214716a24
13a35b713
14681b8ba
15453b7ca
hex2f4133c

49550140 has 24 divisors (see below), whose sum is σ = 106594992. Its totient is φ = 19336320.

The previous prime is 49550093. The next prime is 49550153. The reversal of 49550140 is 4105594.

49550140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49550099 and 49550108.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29394 + ... + 31033.

It is an arithmetic number, because the mean of its divisors is an integer number (4441458).

Almost surely, 249550140 is an apocalyptic number.

It is an amenable number.

49550140 is an abundant number, since it is smaller than the sum of its proper divisors (57044852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49550140 is a wasteful number, since it uses less digits than its factorization.

49550140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60477 (or 60475 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 49550140 is about 7039.1860324898. The cubic root of 49550140 is about 367.2949540291.

The spelling of 49550140 in words is "forty-nine million, five hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 60427 120854 241708 302135 604270 1208540 2477507 4955014 9910028 12387535 24775070 49550140