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50216742 = 23217379433
BaseRepresentation
bin1011111110001…
…1111100100110
310111111021102100
42333203330212
5100323413432
64552152530
71146556332
oct277437446
9114437370
1050216742
1126389644
1214998746
13a532c64
1469527c2
15461e07c
hex2fe3f26

50216742 has 48 divisors (see below), whose sum is σ = 115773840. Its totient is φ = 15676416.

The previous prime is 50216741. The next prime is 50216779. The reversal of 50216742 is 24761205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50216741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115758 + ... + 116190.

It is an arithmetic number, because the mean of its divisors is an integer number (2411955).

Almost surely, 250216742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50216742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57886920).

50216742 is an abundant number, since it is smaller than the sum of its proper divisors (65557098).

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

50216742 is a wasteful number, since it uses less digits than its factorization.

50216742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 50216742 is about 7086.3772126525. The cubic root of 50216742 is about 368.9347054363.

Adding to 50216742 its reverse (24761205), we get a palindrome (74977947).

The spelling of 50216742 in words is "fifty million, two hundred sixteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 379 433 758 866 1137 1299 2274 2598 3411 3897 6443 6822 7361 7794 12886 14722 19329 22083 38658 44166 57987 66249 115974 132498 164107 328214 492321 984642 1476963 2789819 2953926 5579638 8369457 16738914 25108371 50216742