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50049681 = 3111516657
BaseRepresentation
bin1011111011101…
…1001010010001
310111011210020220
42332323022101
5100303042211
64544423253
71145262303
oct276731221
9114153226
1050049681
1126285080
1214917b29
13a4a4bc6
14690b973
1545d9806
hex2fbb291

50049681 has 8 divisors (see below), whose sum is σ = 72799584. Its totient is φ = 30333120.

The previous prime is 50049677. The next prime is 50049691. The reversal of 50049681 is 18694005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50049681 - 22 = 50049677 is a prime.

It is a super-2 number, since 2×500496812 = 5009941136403522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1516657 = 50049681 / (5 + 0 + 0 + 4 + 9 + 6 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (50049661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758296 + ... + 758361.

It is an arithmetic number, because the mean of its divisors is an integer number (9099948).

Almost surely, 250049681 is an apocalyptic number.

It is an amenable number.

50049681 is a deficient number, since it is larger than the sum of its proper divisors (22749903).

50049681 is a wasteful number, since it uses less digits than its factorization.

50049681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516671.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 50049681 is about 7074.5799168573. The cubic root of 50049681 is about 368.5251270526.

The spelling of 50049681 in words is "fifty million, forty-nine thousand, six hundred eighty-one".

Divisors: 1 3 11 33 1516657 4549971 16683227 50049681