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2891241 = 33176299
BaseRepresentation
bin1011000001110111101001
312102220001000
423001313221
51220004431
6141545213
733401163
oct13016751
95386030
102891241
1116a5261
12b75209
137a2cc2
14553933
153c19e6
hex2c1de9

2891241 has 16 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 1813824.

The previous prime is 2891237. The next prime is 2891243. The reversal of 2891241 is 1421982.

It is not a de Polignac number, because 2891241 - 22 = 2891237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2891243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

22891241 is an apocalyptic number.

It is an amenable number.

2891241 is a deficient number, since it is larger than the sum of its proper divisors (1644759).

2891241 is a wasteful number, since it uses less digits than its factorization.

2891241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325 (or 6319 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2891241 is about 1700.3649608246. The cubic root of 2891241 is about 142.4605985247.

The spelling of 2891241 in words is "two million, eight hundred ninety-one thousand, two hundred forty-one".

Divisors: 1 3 9 17 27 51 153 459 6299 18897 56691 107083 170073 321249 963747 2891241