Search a number
-
+
5455220 = 225272761
BaseRepresentation
bin10100110011110101110100
3101021011011012
4110303311310
52344031340
6312531352
764240301
oct24636564
911234135
105455220
113096651
1219b0b58
131190054
14a200a8
1572b565
hex533d74

5455220 has 12 divisors (see below), whose sum is σ = 11456004. Its totient is φ = 2182080.

The previous prime is 5455213. The next prime is 5455259. The reversal of 5455220 is 225545.

It can be written as a sum of positive squares in 2 ways, for example, as 1503076 + 3952144 = 1226^2 + 1988^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136361 + ... + 136400.

It is an arithmetic number, because the mean of its divisors is an integer number (954667).

Almost surely, 25455220 is an apocalyptic number.

It is an amenable number.

5455220 is an abundant number, since it is smaller than the sum of its proper divisors (6000784).

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

5455220 is a wasteful number, since it uses less digits than its factorization.

5455220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272770 (or 272768 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5455220 is about 2335.6412395743. The cubic root of 5455220 is about 176.0370531491.

The spelling of 5455220 in words is "five million, four hundred fifty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 272761 545522 1091044 1363805 2727610 5455220