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358420 = 22517921
BaseRepresentation
bin1010111100000010100
3200012122211
41113200110
542432140
611403204
73021646
oct1274024
9605584
10358420
11225317
12153504
13c71aa
1494896
15712ea
hex57814

358420 has 12 divisors (see below), whose sum is σ = 752724. Its totient is φ = 143360.

The previous prime is 358417. The next prime is 358427. The reversal of 358420 is 24853.

It can be written as a sum of positive squares in 2 ways, for example, as 49284 + 309136 = 222^2 + 556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 358391 and 358400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (358427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8941 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (62727).

2358420 is an apocalyptic number.

It is an amenable number.

358420 is an abundant number, since it is smaller than the sum of its proper divisors (394304).

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

358420 is a wasteful number, since it uses less digits than its factorization.

358420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17930 (or 17928 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 358420 is about 598.6818854784. The cubic root of 358420 is about 71.0336414005.

The spelling of 358420 in words is "three hundred fifty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 17921 35842 71684 89605 179210 358420