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50607980 = 22517732039
BaseRepresentation
bin1100000100001…
…1011101101100
310112020011002122
43001003131230
5100423423410
65004412112
71153106063
oct301033554
9115204078
1050607980
1126626585
1214b47038
13a63c067
146a151da
154699e55
hex304376c

50607980 has 48 divisors (see below), whose sum is σ = 114125760. Its totient is φ = 18782208.

The previous prime is 50607967. The next prime is 50607983. The reversal of 50607980 is 8970605.

It is a super-2 number, since 2×506079802 = 5122335279360800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50607980.

It is not an unprimeable number, because it can be changed into a prime (50607983) 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, 23801 + ... + 25839.

It is an arithmetic number, because the mean of its divisors is an integer number (2377620).

Almost surely, 250607980 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 50607980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57062880).

50607980 is an abundant number, since it is smaller than the sum of its proper divisors (63517780).

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

50607980 is a wasteful number, since it uses less digits than its factorization.

50607980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 50607980 is about 7113.9285911513. The cubic root of 50607980 is about 369.8903497823.

Subtracting from 50607980 its reverse (8970605), we obtain a triangular number (41637375 = T9125).

The spelling of 50607980 in words is "fifty million, six hundred seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 73 85 146 170 292 340 365 730 1241 1460 2039 2482 4078 4964 6205 8156 10195 12410 20390 24820 34663 40780 69326 138652 148847 173315 297694 346630 595388 693260 744235 1488470 2530399 2976940 5060798 10121596 12651995 25303990 50607980