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50163740 = 225111072131
BaseRepresentation
bin1011111101011…
…1000000011100
310111101120201022
42333113000130
5100320214430
64551103312
71146245654
oct277270034
9114346638
1050163740
1126352840
1214971b38
13a514ab3
14693b364
15460d4e5
hex2fd701c

50163740 has 48 divisors (see below), whose sum is σ = 116049024. Its totient is φ = 18062400.

The previous prime is 50163733. The next prime is 50163761. The reversal of 50163740 is 4736105.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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, 22475 + ... + 24605.

It is an arithmetic number, because the mean of its divisors is an integer number (2417688).

Almost surely, 250163740 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 50163740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58024512).

50163740 is an abundant number, since it is smaller than the sum of its proper divisors (65885284).

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

50163740 is a wasteful number, since it uses less digits than its factorization.

50163740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 50163740 is about 7082.6365147451. The cubic root of 50163740 is about 368.8048605536.

Adding to 50163740 its reverse (4736105), we get a palindrome (54899845).

The spelling of 50163740 in words is "fifty million, one hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 107 110 214 220 428 535 1070 1177 2131 2140 2354 4262 4708 5885 8524 10655 11770 21310 23441 23540 42620 46882 93764 117205 228017 234410 456034 468820 912068 1140085 2280170 2508187 4560340 5016374 10032748 12540935 25081870 50163740