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3431028 = 2231372087
BaseRepresentation
bin1101000101101001110100
320110022111010
431011221310
51334243103
6201312220
741106666
oct15055164
96408433
103431028
111a33867
121195670
139318c3
14654536
1547b903
hex345a74

3431028 has 24 divisors (see below), whose sum is σ = 8068032. Its totient is φ = 1134784.

The previous prime is 3431017. The next prime is 3431053. The reversal of 3431028 is 8201343.

It is a happy number.

3431028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3430995 and 3431013.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 601 + ... + 2687.

It is an arithmetic number, because the mean of its divisors is an integer number (336168).

Almost surely, 23431028 is an apocalyptic number.

It is an amenable number.

3431028 is an abundant number, since it is smaller than the sum of its proper divisors (4637004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3431028 is a wasteful number, since it uses less digits than its factorization.

3431028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3431028 is about 1852.3034308666. The cubic root of 3431028 is about 150.8254931841.

The spelling of 3431028 in words is "three million, four hundred thirty-one thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 2087 4174 6261 8348 12522 25044 285919 571838 857757 1143676 1715514 3431028