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3420031 = 23241617
BaseRepresentation
bin1101000010111101111111
320102202101211
431002331333
51333420111
6201145251
741032636
oct15027577
96382354
103420031
111a2657a
12118b227
139298b4
1465051d
15478521
hex342f7f

3420031 has 8 divisors (see below), whose sum is σ = 3589344. Its totient is φ = 3252480.

The previous prime is 3420023. The next prime is 3420047. The reversal of 3420031 is 1300243.

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

It is a cyclic number.

It is not a de Polignac number, because 3420031 - 23 = 3420023 is a prime.

It is a super-2 number, since 2×34200312 = 23393224081922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3419993 and 3420020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5235 + ... + 5851.

It is an arithmetic number, because the mean of its divisors is an integer number (448668).

Almost surely, 23420031 is an apocalyptic number.

3420031 is a deficient number, since it is larger than the sum of its proper divisors (169313).

3420031 is a wasteful number, since it uses less digits than its factorization.

3420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3420031 is about 1849.3325823118. The cubic root of 3420031 is about 150.6641806788.

Adding to 3420031 its reverse (1300243), we get a palindrome (4720274).

The spelling of 3420031 in words is "three million, four hundred twenty thousand, thirty-one".

Divisors: 1 23 241 617 5543 14191 148697 3420031