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6132220 = 225379809
BaseRepresentation
bin10111011001000111111100
3102112112211021
4113121013330
53032212340
6335233524
7103060123
oct27310774
912475737
106132220
113509256
1220788a4
131369243
14b58aba
15811e4a
hex5d91fc

6132220 has 24 divisors (see below), whose sum is σ = 12927600. Its totient is φ = 2443392.

The previous prime is 6132179. The next prime is 6132221. The reversal of 6132220 is 222316.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6132194 and 6132203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6132221) 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, 7176 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (538650).

Almost surely, 26132220 is an apocalyptic number.

It is an amenable number.

6132220 is an abundant number, since it is smaller than the sum of its proper divisors (6795380).

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

6132220 is a wasteful number, since it uses less digits than its factorization.

6132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6132220 is about 2476.3319648222. The cubic root of 6132220 is about 183.0371489375.

Adding to 6132220 its reverse (222316), we get a palindrome (6354536).

The spelling of 6132220 in words is "six million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 379 758 809 1516 1618 1895 3236 3790 4045 7580 8090 16180 306611 613222 1226444 1533055 3066110 6132220