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49881641 = 2313011667
BaseRepresentation
bin1011111001001…
…0001000101001
310110212020202012
42332102020221
5100232203031
64541045305
71143662345
oct276221051
9113766665
1049881641
112617a8a7
1214856835
13a446584
1468a6625
1545a4b2b
hex2f92229

49881641 has 8 divisors (see below), whose sum is σ = 52121664. Its totient is φ = 47647600.

The previous prime is 49881599. The next prime is 49881647. The reversal of 49881641 is 14618894.

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

It is a cyclic number.

It is not a de Polignac number, because 49881641 - 210 = 49880617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49881647) 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, 29090 + ... + 30756.

It is an arithmetic number, because the mean of its divisors is an integer number (6515208).

Almost surely, 249881641 is an apocalyptic number.

It is an amenable number.

49881641 is a deficient number, since it is larger than the sum of its proper divisors (2240023).

49881641 is a wasteful number, since it uses less digits than its factorization.

49881641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991.

The product of its digits is 55296, while the sum is 41.

The square root of 49881641 is about 7062.6936079657. The cubic root of 49881641 is about 368.1122279989.

The spelling of 49881641 in words is "forty-nine million, eight hundred eighty-one thousand, six hundred forty-one".

Divisors: 1 23 1301 1667 29923 38341 2168767 49881641