Search a number
-
+
50801916 = 223111722639
BaseRepresentation
bin1100000111001…
…0110011111100
310112121000010110
43001302303330
5101001130131
65012510020
71154544354
oct301626374
9115530113
1050801916
1126749260
121501b310
13a6a9409
146a65b64
1546d7646
hex3072cfc

50801916 has 48 divisors (see below), whose sum is σ = 136926720. Its totient is φ = 14488320.

The previous prime is 50801873. The next prime is 50801921. The reversal of 50801916 is 61910805.

It is a happy number.

It is a super-3 number, since 3×508019163 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9076 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (2852640).

Almost surely, 250801916 is an apocalyptic number.

It is an amenable number.

50801916 is an abundant number, since it is smaller than the sum of its proper divisors (86124804).

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

50801916 is a wasteful number, since it uses less digits than its factorization.

50801916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22674 (or 22672 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 50801916 is about 7127.5462818560. The cubic root of 50801916 is about 370.3622359483.

Subtracting 50801916 from its reverse (61910805), we obtain a square (11108889 = 33332).

It can be divided in two parts, 5080 and 1916, that added together give a palindrome (6996).

The spelling of 50801916 in words is "fifty million, eight hundred one thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 204 374 561 748 1122 2244 22639 45278 67917 90556 135834 249029 271668 384863 498058 747087 769726 996116 1154589 1494174 1539452 2309178 2988348 4233493 4618356 8466986 12700479 16933972 25400958 50801916