Search a number
-
+
49351625 = 53394813
BaseRepresentation
bin1011110001000…
…0101111001001
310102212022200222
42330100233021
5100113223000
64521435425
71136324201
oct274205711
9112768628
1049351625
1125948674
121463bb75
13a2bc25b
1467a9401
1544eca85
hex2f10bc9

49351625 has 8 divisors (see below), whose sum is σ = 61590984. Its totient is φ = 39481200.

The previous prime is 49351619. The next prime is 49351661. The reversal of 49351625 is 52615394.

49351625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 49266361 = 292^2 + 7019^2 .

It is a de Polignac number, because none of the positive numbers 2k-49351625 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 197282 + ... + 197531.

It is an arithmetic number, because the mean of its divisors is an integer number (7698873).

Almost surely, 249351625 is an apocalyptic number.

It is an amenable number.

49351625 is a deficient number, since it is larger than the sum of its proper divisors (12239359).

49351625 is an equidigital number, since it uses as much as digits as its factorization.

49351625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394828 (or 394818 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 49351625 is about 7025.0711740167. The cubic root of 49351625 is about 366.8037939811.

The spelling of 49351625 in words is "forty-nine million, three hundred fifty-one thousand, six hundred twenty-five".

Divisors: 1 5 25 125 394813 1974065 9870325 49351625