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50143380 = 22357119389
BaseRepresentation
bin1011111101001…
…0000010010100
310111100112210020
42333102002110
5100314042010
64550425140
71146132420
oct277220224
9114315706
1050143380
1126339511
12149621b0
13a508751
146933b80
154607470
hex2fd2094

50143380 has 48 divisors (see below), whose sum is σ = 160460160. Its totient is φ = 11461248.

The previous prime is 50143361. The next prime is 50143393. The reversal of 50143380 is 8334105.

It is a self number, because there is not a number n which added to its sum of digits gives 50143380.

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, 59275 + ... + 60114.

It is an arithmetic number, because the mean of its divisors is an integer number (3342920).

Almost surely, 250143380 is an apocalyptic number.

It is an amenable number.

50143380 is an abundant number, since it is smaller than the sum of its proper divisors (110316780).

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

50143380 is a wasteful number, since it uses less digits than its factorization.

50143380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119408 (or 119406 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 50143380 is about 7081.1990510082. The cubic root of 50143380 is about 368.7549580871.

Adding to 50143380 its reverse (8334105), we get a palindrome (58477485).

The spelling of 50143380 in words is "fifty million, one hundred forty-three thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 119389 238778 358167 477556 596945 716334 835723 1193890 1432668 1671446 1790835 2387780 2507169 3342892 3581670 4178615 5014338 7163340 8357230 10028676 12535845 16714460 25071690 50143380