Search a number
-
+
49479925 = 521131487
BaseRepresentation
bin1011110011000…
…0000011110101
310110002211200211
42330300003311
5100131324200
64524305421
71140400225
oct274600365
9113084624
1049479925
1125a26000
12146a2271
13a335781
146800085
154525aba
hex2f300f5

49479925 has 24 divisors (see below), whose sum is σ = 67531392. Its totient is φ = 35961200.

The previous prime is 49479917. The next prime is 49479943. The reversal of 49479925 is 52997494.

49479925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49479925 - 23 = 49479917 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 32532 + ... + 34018.

It is an arithmetic number, because the mean of its divisors is an integer number (2813808).

Almost surely, 249479925 is an apocalyptic number.

It is an amenable number.

49479925 is a deficient number, since it is larger than the sum of its proper divisors (18051467).

49479925 is a wasteful number, since it uses less digits than its factorization.

49479925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1503 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 49479925 is about 7034.1968269306. The cubic root of 49479925 is about 367.1213803082.

It can be divided in two parts, 49 and 479925, that added together give a palindrome (479974).

The spelling of 49479925 in words is "forty-nine million, four hundred seventy-nine thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 121 275 605 1331 1487 3025 6655 7435 16357 33275 37175 81785 179927 408925 899635 1979197 4498175 9895985 49479925