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196420 = 22572361
BaseRepresentation
bin101111111101000100
3100222102211
4233331010
522241140
64113204
71445440
oct577504
9328384
10196420
11124634
1295804
136b533
1451820
153d2ea
hex2ff44

196420 has 48 divisors (see below), whose sum is σ = 499968. Its totient is φ = 63360.

The previous prime is 196387. The next prime is 196429. The reversal of 196420 is 24691.

It is a junction number, because it is equal to n+sod(n) for n = 196391 and 196400.

It is not an unprimeable number, because it can be changed into a prime (196429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3190 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (10416).

2196420 is an apocalyptic number.

196420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249984).

196420 is an abundant number, since it is smaller than the sum of its proper divisors (303548).

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

196420 is a wasteful number, since it uses less digits than its factorization.

196420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 196420 is about 443.1929602329. The cubic root of 196420 is about 58.1293190609.

It can be divided in two parts, 196 and 420, that added together give a palindrome (616).

The spelling of 196420 in words is "one hundred ninety-six thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 61 70 92 115 122 140 161 230 244 305 322 427 460 610 644 805 854 1220 1403 1610 1708 2135 2806 3220 4270 5612 7015 8540 9821 14030 19642 28060 39284 49105 98210 196420