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50874640 = 2452292777
BaseRepresentation
bin1100001000010…
…0100100010000
310112201200212221
43002010210100
5101010442030
65014230424
71155266365
oct302044420
9115650787
1050874640
1126798963
1215055414
13a70354b
146a8446c
1546ede7a
hex3084910

50874640 has 40 divisors (see below), whose sum is σ = 118842840. Its totient is φ = 20253696.

The previous prime is 50874631. The next prime is 50874661. The reversal of 50874640 is 4647805.

It can be written as a sum of positive squares in 4 ways, for example, as 7420176 + 43454464 = 2724^2 + 6592^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 50874596 and 50874605.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16932 + ... + 19708.

It is an arithmetic number, because the mean of its divisors is an integer number (2971071).

Almost surely, 250874640 is an apocalyptic number.

It is an amenable number.

50874640 is an abundant number, since it is smaller than the sum of its proper divisors (67968200).

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

50874640 is a wasteful number, since it uses less digits than its factorization.

50874640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 50874640 is about 7132.6460728120. The cubic root of 50874640 is about 370.5388787686.

The spelling of 50874640 in words is "fifty million, eight hundred seventy-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 229 458 916 1145 1832 2290 2777 3664 4580 5554 9160 11108 13885 18320 22216 27770 44432 55540 111080 222160 635933 1271866 2543732 3179665 5087464 6359330 10174928 12718660 25437320 50874640