Search a number
-
+
49625041 = 454910909
BaseRepresentation
bin1011110101001…
…1011111010001
310110101012202111
42331103133101
5100201000131
64531345321
71141543264
oct275233721
9113335674
1049625041
1126015034
1214752241
13a38683b
14683acdb
154553ab1
hex2f537d1

49625041 has 4 divisors (see below), whose sum is σ = 49640500. Its totient is φ = 49609584.

The previous prime is 49625021. The next prime is 49625063. The reversal of 49625041 is 14052694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14052694 = 27026347.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 25654225 = 4896^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 49625041 - 213 = 49616849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49624994 and 49625012.

It is not an unprimeable number, because it can be changed into a prime (49625011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906 + ... + 10003.

It is an arithmetic number, because the mean of its divisors is an integer number (12410125).

Almost surely, 249625041 is an apocalyptic number.

It is an amenable number.

49625041 is a deficient number, since it is larger than the sum of its proper divisors (15459).

49625041 is a wasteful number, since it uses less digits than its factorization.

49625041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15458.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 49625041 is about 7044.5043118732. The cubic root of 49625041 is about 367.4799310311.

The spelling of 49625041 in words is "forty-nine million, six hundred twenty-five thousand, forty-one".

Divisors: 1 4549 10909 49625041