Search a number
-
+
49408942 = 2112245861
BaseRepresentation
bin1011110001111…
…0101110101110
310102222020022211
42330132232232
5100122041232
64523001034
71136653252
oct274365656
9112866284
1049408942
1125987740
121466917a
13a30c37b
1467c2262
15450ea47
hex2f1ebae

49408942 has 8 divisors (see below), whose sum is σ = 80851032. Its totient is φ = 22458600.

The previous prime is 49408939. The next prime is 49408943. The reversal of 49408942 is 24980494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 49408895 and 49408904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49408943) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1122909 + ... + 1122952.

It is an arithmetic number, because the mean of its divisors is an integer number (10106379).

Almost surely, 249408942 is an apocalyptic number.

49408942 is a deficient number, since it is larger than the sum of its proper divisors (31442090).

49408942 is a wasteful number, since it uses less digits than its factorization.

49408942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245874.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 49408942 is about 7029.1494506804. The cubic root of 49408942 is about 366.9457410746.

The spelling of 49408942 in words is "forty-nine million, four hundred eight thousand, nine hundred forty-two".

Divisors: 1 2 11 22 2245861 4491722 24704471 49408942