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360020 = 22547383
BaseRepresentation
bin1010111111001010100
3200021212002
41113321110
543010040
611414432
73026423
oct1277124
9607762
10360020
11226541
12154418
13c7b3b
14952ba
1571a15
hex57e54

360020 has 24 divisors (see below), whose sum is σ = 774144. Its totient is φ = 140576.

The previous prime is 360007. The next prime is 360023. The reversal of 360020 is 20063.

360020 = T296 + T297 + ... + T303.

It is a happy number.

It is a super-2 number, since 2×3600202 = 259228800800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 359983 and 360010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360023) by changing a digit.

360020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2360020 is an apocalyptic number.

It is an amenable number.

360020 is an abundant number, since it is smaller than the sum of its proper divisors (414124).

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

360020 is a wasteful number, since it uses less digits than its factorization.

360020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

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

The square root of 360020 is about 600.0166664352. The cubic root of 360020 is about 71.1391834333.

Adding to 360020 its reverse (20063), we get a palindrome (380083).

The spelling of 360020 in words is "three hundred sixty thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 383 470 766 940 1532 1915 3830 7660 18001 36002 72004 90005 180010 360020