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2881901 = 111913789
BaseRepresentation
bin1010111111100101101101
312102102020002
422333211231
51214210101
6141434045
733332021
oct12774555
95372202
102881901
111699240
12b6b925
1379b989
14550381
153bdd6b
hex2bf96d

2881901 has 8 divisors (see below), whose sum is σ = 3309600. Its totient is φ = 2481840.

The previous prime is 2881897. The next prime is 2881937. The reversal of 2881901 is 1091882.

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 2881901 - 22 = 2881897 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 (2881951) 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, 6686 + ... + 7103.

It is an arithmetic number, because the mean of its divisors is an integer number (413700).

22881901 is an apocalyptic number.

It is an amenable number.

2881901 is a deficient number, since it is larger than the sum of its proper divisors (427699).

2881901 is a wasteful number, since it uses less digits than its factorization.

2881901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 2881901 is about 1697.6162699503. The cubic root of 2881901 is about 142.3070292490.

It can be divided in two parts, 2881 and 901, that multiplied together give a triangular number (2595781 = T2278).

The spelling of 2881901 in words is "two million, eight hundred eighty-one thousand, nine hundred one".

Divisors: 1 11 19 209 13789 151679 261991 2881901