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3212020 = 225722943
BaseRepresentation
bin1100010000001011110100
320001012001201
430100023310
51310241040
6152502244
736205330
oct14201364
96035051
103212020
1118a4269
1210aa984
13886006
145d87c0
15436a9a
hex3102f4

3212020 has 24 divisors (see below), whose sum is σ = 7709184. Its totient is φ = 1101216.

The previous prime is 3212009. The next prime is 3212021. The reversal of 3212020 is 202123.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 3211988 and 3212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212021) 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, 11332 + ... + 11611.

It is an arithmetic number, because the mean of its divisors is an integer number (321216).

Almost surely, 23212020 is an apocalyptic number.

It is an amenable number.

3212020 is an abundant number, since it is smaller than the sum of its proper divisors (4497164).

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

3212020 is a wasteful number, since it uses less digits than its factorization.

3212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22959 (or 22957 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 3212020 is about 1792.2109250867. The cubic root of 3212020 is about 147.5455379839.

Adding to 3212020 its reverse (202123), we get a palindrome (3414143).

The spelling of 3212020 in words is "three million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 22943 45886 91772 114715 160601 229430 321202 458860 642404 803005 1606010 3212020