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3213020 = 225160651
BaseRepresentation
bin1100010000011011011100
320001020102202
430100123130
51310304040
6152511032
736211256
oct14203334
96036382
103213020
1118a4a98
1210ab478
138865c5
145d8cd6
15437015
hex3106dc

3213020 has 12 divisors (see below), whose sum is σ = 6747384. Its totient is φ = 1285200.

The previous prime is 3213011. The next prime is 3213029. The reversal of 3213020 is 203123.

It is an interprime number because it is at equal distance from previous prime (3213011) and next prime (3213029).

It is a junction number, because it is equal to n+sod(n) for n = 3212992 and 3213010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80306 + ... + 80345.

It is an arithmetic number, because the mean of its divisors is an integer number (562282).

Almost surely, 23213020 is an apocalyptic number.

It is an amenable number.

3213020 is an abundant number, since it is smaller than the sum of its proper divisors (3534364).

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

3213020 is a wasteful number, since it uses less digits than its factorization.

3213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160660 (or 160658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3213020 is about 1792.4898883955. The cubic root of 3213020 is about 147.5608482071.

Adding to 3213020 its reverse (203123), we get a palindrome (3416143).

The spelling of 3213020 in words is "three million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 160651 321302 642604 803255 1606510 3213020