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1198130 = 25119813
BaseRepresentation
bin100100100100000110010
32020212112012
410210200302
5301320010
641402522
713120043
oct4444062
92225465
101198130
1174919a
12499442
1332c46b
142328ca
1518a005
hex124832

1198130 has 8 divisors (see below), whose sum is σ = 2156652. Its totient is φ = 479248.

The previous prime is 1198123. The next prime is 1198133. The reversal of 1198130 is 318911.

It can be written as a sum of positive squares in 2 ways, for example, as 1194649 + 3481 = 1093^2 + 59^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1198096 and 1198105.

It is not an unprimeable number, because it can be changed into a prime (1198133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59897 + ... + 59916.

21198130 is an apocalyptic number.

1198130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198130 is a deficient number, since it is larger than the sum of its proper divisors (958522).

1198130 is a wasteful number, since it uses less digits than its factorization.

1198130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119820.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1198130 is about 1094.5912479095. The cubic root of 1198130 is about 106.2106290115.

The spelling of 1198130 in words is "one million, one hundred ninety-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 119813 239626 599065 1198130