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3242220 = 223554037
BaseRepresentation
bin1100010111100011101100
320002201111020
430113203230
51312222340
6153254140
736362352
oct14274354
96081436
103242220
111914a23
121104350
13896997
146057d2
154409d0
hex3178ec

3242220 has 24 divisors (see below), whose sum is σ = 9078384. Its totient is φ = 864576.

The previous prime is 3242209. The next prime is 3242221. The reversal of 3242220 is 222423.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3242220.

It is not an unprimeable number, because it can be changed into a prime (3242221) 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, 26959 + ... + 27078.

It is an arithmetic number, because the mean of its divisors is an integer number (378266).

Almost surely, 23242220 is an apocalyptic number.

3242220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3242220 is an abundant number, since it is smaller than the sum of its proper divisors (5836164).

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

3242220 is a wasteful number, since it uses less digits than its factorization.

3242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54049 (or 54047 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 3242220 is about 1800.6165610701. The cubic root of 3242220 is about 148.0065129834.

Adding to 3242220 its reverse (222423), we get a palindrome (3464643).

The spelling of 3242220 in words is "three million, two hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 54037 108074 162111 216148 270185 324222 540370 648444 810555 1080740 1621110 3242220