Search a number
49388394 = 231131101239
BaseRepresentation
bin1011110001100…
…1101101101010
310102221012010210
42330121231222
5100120412034
64522321550
71136536326
oct274315552
9112835123
1049388394
1125973260
12146592b6
13a302c03
1467b8986
1545088e9
hex2f19b6a

49388394 has 64 divisors (see below), whose sum is σ = 112803840. Its totient is φ = 14280000.

The previous prime is 49388393. The next prime is 49388401.

49388394 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (49388393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206527 + ... + 206765.

It is an arithmetic number, because the mean of its divisors is an integer number (1762560).

Almost surely, 249388394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49388394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56401920).

49388394 is an abundant number, since it is smaller than the sum of its proper divisors (63415446).

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

49388394 is a wasteful number, since it uses less digits than its factorization.

49388394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its digits is 746496, while the sum is 48.

The square root of 49388394 is about 7027.6876709199. The cubic root of 49388394 is about 366.8948660288.

The spelling of 49388394 in words is "forty-nine million, three hundred eighty-eight thousand, three hundred ninety-four".