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3431930 = 25343193
BaseRepresentation
bin1101000101110111111010
320110100201112
431011313322
51334310210
6201320322
741112425
oct15056772
96410645
103431930
111a34507
1211960a2
13932138
146549bc
1547bd05
hex345dfa

3431930 has 8 divisors (see below), whose sum is σ = 6177492. Its totient is φ = 1372768.

The previous prime is 3431903. The next prime is 3431933. The reversal of 3431930 is 391343.

It can be written as a sum of positive squares in 2 ways, for example, as 3108169 + 323761 = 1763^2 + 569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3431896 and 3431905.

It is not an unprimeable number, because it can be changed into a prime (3431933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171587 + ... + 171606.

Almost surely, 23431930 is an apocalyptic number.

3431930 is a deficient number, since it is larger than the sum of its proper divisors (2745562).

3431930 is a wasteful number, since it uses less digits than its factorization.

3431930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343200.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3431930 is about 1852.5468954928. The cubic root of 3431930 is about 150.8387091138.

The spelling of 3431930 in words is "three million, four hundred thirty-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 343193 686386 1715965 3431930