Search a number
-
+
302020 = 22515101
BaseRepresentation
bin1001001101111000100
3120100021221
41021233010
534131040
610250124
72365345
oct1115704
9510257
10302020
11196a04
12126944
13a7614
147c0cc
155e74a
hex49bc4

302020 has 12 divisors (see below), whose sum is σ = 634284. Its totient is φ = 120800.

The previous prime is 302009. The next prime is 302053. The reversal of 302020 is 20203.

302020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 232324 = 264^2 + 482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 301994 and 302012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7531 + ... + 7570.

It is an arithmetic number, because the mean of its divisors is an integer number (52857).

2302020 is an apocalyptic number.

It is an amenable number.

302020 is an abundant number, since it is smaller than the sum of its proper divisors (332264).

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

302020 is a wasteful number, since it uses less digits than its factorization.

302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110 (or 15108 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 302020 is about 549.5634631232. The cubic root of 302020 is about 67.0932095417.

Adding to 302020 its reverse (20203), we get a palindrome (322223).

The spelling of 302020 in words is "three hundred two thousand, twenty", and thus it is an iban number.

Divisors: 1 2 4 5 10 20 15101 30202 60404 75505 151010 302020