Search a number
-
+
49505386 = 272505157
BaseRepresentation
bin1011110011011…
…0010001101010
310110011010121211
42330312101222
5100133133021
64525023334
71140534400
oct274662152
9113133554
1049505386
1125a43147
12146b4b4a
13a344238
146809470
15452d3e1
hex2f3646a

49505386 has 12 divisors (see below), whose sum is σ = 86382018. Its totient is φ = 21216552.

The previous prime is 49505381. The next prime is 49505437. The reversal of 49505386 is 68350594.

It can be written as a sum of positive squares in only one way, i.e., 49491225 + 14161 = 7035^2 + 119^2 .

It is not an unprimeable number, because it can be changed into a prime (49505381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252481 + ... + 252676.

Almost surely, 249505386 is an apocalyptic number.

49505386 is a deficient number, since it is larger than the sum of its proper divisors (36876632).

49505386 is a wasteful number, since it uses less digits than its factorization.

49505386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505173 (or 505166 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 49505386 is about 7036.0063956765. The cubic root of 49505386 is about 367.1843396776.

The spelling of 49505386 in words is "forty-nine million, five hundred five thousand, three hundred eighty-six".

Divisors: 1 2 7 14 49 98 505157 1010314 3536099 7072198 24752693 49505386