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50747140 = 2256737871
BaseRepresentation
bin1100000110010…
…1011100000100
310112111012222201
43001211130010
5100442402030
65011404244
71154225563
oct301453404
9115435881
1050747140
1126711094
1214bb3684
13a68a4c2
146a4dbda
1546c62ca
hex3065704

50747140 has 24 divisors (see below), whose sum is σ = 108162432. Its totient is φ = 19995360.

The previous prime is 50747111. The next prime is 50747153. The reversal of 50747140 is 4174705.

It is a junction number, because it is equal to n+sod(n) for n = 50747099 and 50747108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17596 + ... + 20275.

It is an arithmetic number, because the mean of its divisors is an integer number (4506768).

Almost surely, 250747140 is an apocalyptic number.

It is an amenable number.

50747140 is an abundant number, since it is smaller than the sum of its proper divisors (57415292).

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

50747140 is a wasteful number, since it uses less digits than its factorization.

50747140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37947 (or 37945 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 50747140 is about 7123.7026889112. The cubic root of 50747140 is about 370.2290765511.

The spelling of 50747140 in words is "fifty million, seven hundred forty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 37871 75742 151484 189355 378710 757420 2537357 5074714 10149428 12686785 25373570 50747140