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3428530 = 25726997
BaseRepresentation
bin1101000101000010110010
320110012001121
431011002302
51334203110
6201252454
741066500
oct15050262
96405047
103428530
111a319a6
12119412a
13930721
14653670
1547acda
hex3450b2

3428530 has 24 divisors (see below), whose sum is σ = 7179948. Its totient is φ = 1175328.

The previous prime is 3428501. The next prime is 3428563. The reversal of 3428530 is 358243.

It can be written as a sum of positive squares in 2 ways, for example, as 3337929 + 90601 = 1827^2 + 301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3428495 and 3428504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3009 + ... + 3988.

Almost surely, 23428530 is an apocalyptic number.

3428530 is an abundant number, since it is smaller than the sum of its proper divisors (3751418).

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

3428530 is a wasteful number, since it uses less digits than its factorization.

3428530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3428530 is about 1851.6290125184. The cubic root of 3428530 is about 150.7888808768.

The spelling of 3428530 in words is "three million, four hundred twenty-eight thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 6997 13994 34985 48979 69970 97958 244895 342853 489790 685706 1714265 3428530