Search a number
-
+
50725012 = 2213275037
BaseRepresentation
bin1100000110000…
…0000010010100
310112110002122011
43001200002110
5100441200022
65011114004
71154104222
oct301400224
9115402564
1050725012
11266a64a8
1214ba2904
13a680400
146a45b12
1546be977
hex3060094

50725012 has 18 divisors (see below), whose sum is σ = 96123678. Its totient is φ = 23411232.

The previous prime is 50725009. The next prime is 50725013. The reversal of 50725012 is 21052705.

It can be written as a sum of positive squares in 3 ways, for example, as 3857296 + 46867716 = 1964^2 + 6846^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50725013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36843 + ... + 38194.

Almost surely, 250725012 is an apocalyptic number.

50725012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50725012 is a deficient number, since it is larger than the sum of its proper divisors (45398666).

50725012 is a wasteful number, since it uses less digits than its factorization.

50725012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75067 (or 75052 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 50725012 is about 7122.1493946701. The cubic root of 50725012 is about 370.1752566377.

Adding to 50725012 its reverse (21052705), we get a palindrome (71777717).

The spelling of 50725012 in words is "fifty million, seven hundred twenty-five thousand, twelve".

Divisors: 1 2 4 13 26 52 169 338 676 75037 150074 300148 975481 1950962 3901924 12681253 25362506 50725012