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3272420 = 225163621
BaseRepresentation
bin1100011110111011100100
320011020220202
430132323210
51314204140
6154050032
736546404
oct14367344
96136822
103272420
111935688
121119918
138a7658
14612804
15449915
hex31eee4

3272420 has 12 divisors (see below), whose sum is σ = 6872124. Its totient is φ = 1308960.

The previous prime is 3272419. The next prime is 3272431. The reversal of 3272420 is 242723.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 556516 + 2715904 = 746^2 + 1648^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 163621 = 3272420 / (3 + 2 + 7 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3272392 and 3272401.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 81791 + ... + 81830.

It is an arithmetic number, because the mean of its divisors is an integer number (572677).

Almost surely, 23272420 is an apocalyptic number.

It is an amenable number.

3272420 is an abundant number, since it is smaller than the sum of its proper divisors (3599704).

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

3272420 is a wasteful number, since it uses less digits than its factorization.

3272420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163630 (or 163628 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3272420 is about 1808.9831397777. The cubic root of 3272420 is about 148.4646342640.

The spelling of 3272420 in words is "three million, two hundred seventy-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 163621 327242 654484 818105 1636210 3272420