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197429 = 1910391
BaseRepresentation
bin110000001100110101
3101000211012
4300030311
522304204
64122005
71451411
oct601465
9330735
10197429
11125371
1296305
136bb2b
1451d41
153d76e
hex30335

197429 has 4 divisors (see below), whose sum is σ = 207840. Its totient is φ = 187020.

The previous prime is 197423. The next prime is 197441. The reversal of 197429 is 924791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924791 = 7132113.

It is a cyclic number.

It is not a de Polignac number, because 197429 - 216 = 131893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197395 and 197404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197423) 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, 5177 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (51960).

2197429 is an apocalyptic number.

197429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

197429 is a deficient number, since it is larger than the sum of its proper divisors (10411).

197429 is a wasteful number, since it uses less digits than its factorization.

197429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410.

The product of its digits is 4536, while the sum is 32.

The square root of 197429 is about 444.3298324443. The cubic root of 197429 is about 58.2286849383.

It can be divided in two parts, 197 and 429, that added together give a palindrome (626).

The spelling of 197429 in words is "one hundred ninety-seven thousand, four hundred twenty-nine".

Divisors: 1 19 10391 197429