Search a number
-
+
50641661 = 716214463
BaseRepresentation
bin1100000100101…
…1101011111101
310112021212022002
43001023223331
5100431013121
65005232045
71153306220
oct301135375
9115255262
1050641661
1126649914
1214b62625
13a6514a5
146a235b7
1546a4e0b
hex304bafd

50641661 has 8 divisors (see below), whose sum is σ = 57924864. Its totient is φ = 43370640.

The previous prime is 50641637. The next prime is 50641681. The reversal of 50641661 is 16614605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50641661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50641621) 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, 9116 + ... + 13578.

It is an arithmetic number, because the mean of its divisors is an integer number (7240608).

Almost surely, 250641661 is an apocalyptic number.

It is an amenable number.

50641661 is a deficient number, since it is larger than the sum of its proper divisors (7283203).

50641661 is a wasteful number, since it uses less digits than its factorization.

50641661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 50641661 is about 7116.2954547995. The cubic root of 50641661 is about 369.9723889793.

The spelling of 50641661 in words is "fifty million, six hundred forty-one thousand, six hundred sixty-one".

Divisors: 1 7 1621 4463 11347 31241 7234523 50641661