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3023220 = 223550387
BaseRepresentation
bin1011100010000101110100
312200121002010
423202011310
51233220340
6144444220
734461024
oct13420564
95617063
103023220
111785432
121019670
1381b0b5
14589a84
153eab80
hex2e2174

3023220 has 24 divisors (see below), whose sum is σ = 8465184. Its totient is φ = 806176.

The previous prime is 3023197. The next prime is 3023257. The reversal of 3023220 is 223203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3023196 and 3023205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25134 + ... + 25253.

It is an arithmetic number, because the mean of its divisors is an integer number (352716).

Almost surely, 23023220 is an apocalyptic number.

3023220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3023220 is an abundant number, since it is smaller than the sum of its proper divisors (5441964).

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

3023220 is a wasteful number, since it uses less digits than its factorization.

3023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50399 (or 50397 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3023220 is about 1738.7409237721. The cubic root of 3023220 is about 144.5961015078.

Adding to 3023220 its reverse (223203), we get a palindrome (3246423).

The spelling of 3023220 in words is "three million, twenty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 50387 100774 151161 201548 251935 302322 503870 604644 755805 1007740 1511610 3023220