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3481891 = 7271059
BaseRepresentation
bin1101010010000100100011
320112220020221
431102010203
51342410031
6202343511
741411200
oct15220443
96486227
103481891
111a68aa6
1211bab97
1394baba
14668ca7
1548ba11
hex352123

3481891 has 6 divisors (see below), whose sum is σ = 4050420. Its totient is φ = 2984436.

The previous prime is 3481879. The next prime is 3481927. The reversal of 3481891 is 1981843.

It is a happy number.

It is not a de Polignac number, because 3481891 - 25 = 3481859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3481801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35481 + ... + 35578.

It is an arithmetic number, because the mean of its divisors is an integer number (675070).

Almost surely, 23481891 is an apocalyptic number.

3481891 is a deficient number, since it is larger than the sum of its proper divisors (568529).

3481891 is an equidigital number, since it uses as much as digits as its factorization.

3481891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71073 (or 71066 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 3481891 is about 1865.9825829841. The cubic root of 3481891 is about 151.5671404892.

The spelling of 3481891 in words is "three million, four hundred eighty-one thousand, eight hundred ninety-one".

Divisors: 1 7 49 71059 497413 3481891