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50750128 = 24111341541
BaseRepresentation
bin1100000110011…
…0001010110000
310112111101002101
43001212022300
5100443001003
65011430144
71154240362
oct301461260
9115441071
1050750128
1126713360
1214bb5354
13a68b980
146a50d32
1546c711d
hex30662b0

50750128 has 80 divisors (see below), whose sum is σ = 118554912. Its totient is φ = 20736000.

The previous prime is 50750123. The next prime is 50750129. The reversal of 50750128 is 82105705.

It is a junction number, because it is equal to n+sod(n) for n = 50750096 and 50750105.

It is not an unprimeable number, because it can be changed into a prime (50750123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93538 + ... + 94078.

Almost surely, 250750128 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 50750128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59277456).

50750128 is an abundant number, since it is smaller than the sum of its proper divisors (67804784).

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

50750128 is a wasteful number, since it uses less digits than its factorization.

50750128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 50750128 is about 7123.9124082206. The cubic root of 50750128 is about 370.2363427916.

The spelling of 50750128 in words is "fifty million, seven hundred fifty thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 11 13 16 22 26 41 44 52 82 88 104 143 164 176 208 286 328 451 533 541 572 656 902 1066 1082 1144 1804 2132 2164 2288 3608 4264 4328 5863 5951 7033 7216 8528 8656 11726 11902 14066 22181 23452 23804 28132 44362 46904 47608 56264 77363 88724 93808 95216 112528 154726 177448 243991 288353 309452 354896 487982 576706 618904 975964 1153412 1237808 1951928 2306824 3171883 3903856 4613648 6343766 12687532 25375064 50750128