Search a number
-
+
50140400 = 24521031217
BaseRepresentation
bin1011111101000…
…1010011110000
310111100101200212
42333101103300
5100313443100
64550403252
71146120632
oct277212360
9114311625
1050140400
1126337252
1214960528
13a50729b
146932a52
154606635
hex2fd14f0

50140400 has 60 divisors (see below), whose sum is σ = 121731792. Its totient is φ = 19845120.

The previous prime is 50140397. The next prime is 50140403. The reversal of 50140400 is 404105.

It is an interprime number because it is at equal distance from previous prime (50140397) and next prime (50140403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50140403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40592 + ... + 41808.

Almost surely, 250140400 is an apocalyptic number.

50140400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50140400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60865896).

50140400 is an abundant number, since it is smaller than the sum of its proper divisors (71591392).

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

50140400 is a wasteful number, since it uses less digits than its factorization.

50140400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 50140400 is about 7080.9886315401. The cubic root of 50140400 is about 368.7476529583.

Adding to 50140400 its reverse (404105), we get a palindrome (50544505).

The spelling of 50140400 in words is "fifty million, one hundred forty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 103 200 206 400 412 515 824 1030 1217 1648 2060 2434 2575 4120 4868 5150 6085 8240 9736 10300 12170 19472 20600 24340 30425 41200 48680 60850 97360 121700 125351 243400 250702 486800 501404 626755 1002808 1253510 2005616 2507020 3133775 5014040 6267550 10028080 12535100 25070200 50140400