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3490431 = 37712341
BaseRepresentation
bin1101010100001001111111
320120022222020
431110021333
51343143211
6202451223
741445120
oct15241177
96508866
103490431
111a7445a
121203b13
13952959
1466c047
1548e306
hex35427f

3490431 has 16 divisors (see below), whose sum is σ = 5395968. Its totient is φ = 1965600.

The previous prime is 3490427. The next prime is 3490441. The reversal of 3490431 is 1340943.

It is not a de Polignac number, because 3490431 - 22 = 3490427 is a prime.

It is a super-2 number, since 2×34904312 = 24366217131522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (337248).

Almost surely, 23490431 is an apocalyptic number.

3490431 is a deficient number, since it is larger than the sum of its proper divisors (1905537).

3490431 is a wasteful number, since it uses less digits than its factorization.

3490431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3490431 is about 1868.2695201710. The cubic root of 3490431 is about 151.6909550657.

The spelling of 3490431 in words is "three million, four hundred ninety thousand, four hundred thirty-one".

Divisors: 1 3 7 21 71 213 497 1491 2341 7023 16387 49161 166211 498633 1163477 3490431