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3490971 = 311259163
BaseRepresentation
bin1101010100010010011011
320120100201020
431110102123
51343202341
6202453523
741446521
oct15242233
96510636
103490971
111a74900
1212042a3
13952c83
1466c311
1548e566
hex35449b

3490971 has 24 divisors (see below), whose sum is σ = 5234880. Its totient is φ = 2067120.

The previous prime is 3490961. The next prime is 3490973. The reversal of 3490971 is 1790943.

3490971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3490971 - 25 = 3490939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3490973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21336 + ... + 21498.

It is an arithmetic number, because the mean of its divisors is an integer number (218120).

Almost surely, 23490971 is an apocalyptic number.

3490971 is a deficient number, since it is larger than the sum of its proper divisors (1743909).

3490971 is a wasteful number, since it uses less digits than its factorization.

3490971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 3490971 is about 1868.4140333449. The cubic root of 3490971 is about 151.6987772986.

It can be divided in two parts, 34909 and 71, that added together give a triangular number (34980 = T264).

The spelling of 3490971 in words is "three million, four hundred ninety thousand, nine hundred seventy-one".

Divisors: 1 3 11 33 59 121 163 177 363 489 649 1793 1947 5379 7139 9617 19723 21417 28851 59169 105787 317361 1163657 3490971