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50959540 = 22517712111
BaseRepresentation
bin1100001001100…
…1010010110100
310112220000100101
43002121102310
5101021201130
65020123444
71156102042
oct302312264
9115800311
1050959540
1126846725
1215096584
13a733098
146aa7392
1547191ca
hex30994b4

50959540 has 48 divisors (see below), whose sum is σ = 114960384. Its totient is φ = 18905600.

The previous prime is 50959529. The next prime is 50959541. The reversal of 50959540 is 4595905.

It is a self number, because there is not a number n which added to its sum of digits gives 50959540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50959541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23085 + ... + 25195.

It is an arithmetic number, because the mean of its divisors is an integer number (2395008).

Almost surely, 250959540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50959540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57480192).

50959540 is an abundant number, since it is smaller than the sum of its proper divisors (64000844).

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

50959540 is a wasteful number, since it uses less digits than its factorization.

50959540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 50959540 is about 7138.5950998778. The cubic root of 50959540 is about 370.7448836168.

Subtracting from 50959540 its reverse (4595905), we obtain a triangular number (46363635 = T9629).

The spelling of 50959540 in words is "fifty million, nine hundred fifty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 71 85 142 170 284 340 355 710 1207 1420 2111 2414 4222 4828 6035 8444 10555 12070 21110 24140 35887 42220 71774 143548 149881 179435 299762 358870 599524 717740 749405 1498810 2547977 2997620 5095954 10191908 12739885 25479770 50959540