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50143000 = 2353411223
BaseRepresentation
bin1011111101000…
…1111100011000
310111100112021011
42333101330120
5100314034000
64550423304
71146131335
oct277217430
9114315234
1050143000
11263391a6
1214961b34
13a50851b
14693398c
1546072ba
hex2fd1f18

50143000 has 64 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 19552000.

The previous prime is 50142949. The next prime is 50143003. The reversal of 50143000 is 34105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50143003) 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, 40389 + ... + 41611.

It is an arithmetic number, because the mean of its divisors is an integer number (1879605).

Almost surely, 250143000 is an apocalyptic number.

50143000 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 50143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60147360).

50143000 is an abundant number, since it is smaller than the sum of its proper divisors (70151720).

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

50143000 is a wasteful number, since it uses less digits than its factorization.

50143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50143000 is about 7081.1722193433. The cubic root of 50143000 is about 368.7540265767.

Adding to 50143000 its reverse (34105), we get a palindrome (50177105).

The spelling of 50143000 in words is "fifty million, one hundred forty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 125 164 200 205 250 328 410 500 820 1000 1025 1223 1640 2050 2446 4100 4892 5125 6115 8200 9784 10250 12230 20500 24460 30575 41000 48920 50143 61150 100286 122300 152875 200572 244600 250715 305750 401144 501430 611500 1002860 1223000 1253575 2005720 2507150 5014300 6267875 10028600 12535750 25071500 50143000