Search a number
-
+
49969745 = 571427707
BaseRepresentation
bin1011111010011…
…1101001010001
310111000201121022
42332213221101
5100243012440
64543005225
71144510250
oct276475121
9114021538
1049969745
1126230011
1214899815
13a4776c7
1468ca797
1545c0cb5
hex2fa7a51

49969745 has 8 divisors (see below), whose sum is σ = 68529984. Its totient is φ = 34264944.

The previous prime is 49969727. The next prime is 49969747. The reversal of 49969745 is 54796994.

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

It is a de Polignac number, because none of the positive numbers 2k-49969745 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49969747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713819 + ... + 713888.

It is an arithmetic number, because the mean of its divisors is an integer number (8566248).

Almost surely, 249969745 is an apocalyptic number.

It is an amenable number.

49969745 is a deficient number, since it is larger than the sum of its proper divisors (18560239).

49969745 is a wasteful number, since it uses less digits than its factorization.

49969745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427719.

The product of its digits is 2449440, while the sum is 53.

The square root of 49969745 is about 7068.9281365706. The cubic root of 49969745 is about 368.3288279560.

It can be divided in two parts, 4996 and 9745, that added together give a palindrome (14741).

The spelling of 49969745 in words is "forty-nine million, nine hundred sixty-nine thousand, seven hundred forty-five".

Divisors: 1 5 7 35 1427707 7138535 9993949 49969745