Search a number
-
+
50610140 = 22572431201
BaseRepresentation
bin1100000100001…
…1111111011100
310112020021001122
43001003333130
5100424011030
65004430112
71153115300
oct301037734
9115207048
1050610140
1126628169
1214b48338
13a640039
146a15d00
15469a8e5
hex3043fdc

50610140 has 72 divisors (see below), whose sum is σ = 126613872. Its totient is φ = 16934400.

The previous prime is 50610137. The next prime is 50610151. The reversal of 50610140 is 4101605.

It is a happy number.

It is a super-2 number, since 2×506101402 = 5122772541639200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41540 + ... + 42740.

It is an arithmetic number, because the mean of its divisors is an integer number (1758526).

Almost surely, 250610140 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 50610140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63306936).

50610140 is an abundant number, since it is smaller than the sum of its proper divisors (76003732).

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

50610140 is a wasteful number, since it uses less digits than its factorization.

50610140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 50610140 is about 7114.0804043812. The cubic root of 50610140 is about 369.8956121394.

Adding to 50610140 its reverse (4101605), we get a palindrome (54711745).

The spelling of 50610140 in words is "fifty million, six hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 49 70 86 98 140 172 196 215 245 301 430 490 602 860 980 1201 1204 1505 2107 2402 3010 4214 4804 6005 6020 8407 8428 10535 12010 16814 21070 24020 33628 42035 42140 51643 58849 84070 103286 117698 168140 206572 235396 258215 294245 361501 516430 588490 723002 1032860 1176980 1446004 1807505 2530507 3615010 5061014 7230020 10122028 12652535 25305070 50610140