Search a number
-
+
50513742 = 232191271163
BaseRepresentation
bin1100000010110…
…0011101001110
310112001100211100
43000230131032
5100412414432
65002403530
71152234246
oct300543516
9115040740
1050513742
11265717a4
1214b005a6
13a6081b6
1469ccb26
15467c07c
hex302c74e

50513742 has 48 divisors (see below), whose sum is σ = 116213760. Its totient is φ = 15812496.

The previous prime is 50513741. The next prime is 50513747. The reversal of 50513742 is 24731505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42853 + ... + 44015.

It is an arithmetic number, because the mean of its divisors is an integer number (2421120).

Almost surely, 250513742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50513742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58106880).

50513742 is an abundant number, since it is smaller than the sum of its proper divisors (65700018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50513742 is a wasteful number, since it uses less digits than its factorization.

50513742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 50513742 is about 7107.3020197541. The cubic root of 50513742 is about 369.6606140398.

The spelling of 50513742 in words is "fifty million, five hundred thirteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 127 171 254 342 381 762 1143 1163 2286 2326 2413 3489 4826 6978 7239 10467 14478 20934 21717 22097 43434 44194 66291 132582 147701 198873 295402 397746 443103 886206 1329309 2658618 2806319 5612638 8418957 16837914 25256871 50513742