Search a number
1530198 = 23343659
BaseRepresentation
bin101110101100101010110
32212202001000
411311211112
5342431243
652444130
716002135
oct5654526
92782030
101530198
1195572a
12619646
13417657
142bb91c
152035d3
hex175956

1530198 has 32 divisors (see below), whose sum is σ = 3484800. Its totient is φ = 497448.

The previous prime is 1530197. The next prime is 1530227. The reversal of 1530198 is 8910351.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (108900).

21530198 is an apocalyptic number.

1530198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742400).

1530198 is an abundant number, since it is smaller than the sum of its proper divisors (1954602).

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

1530198 is a wasteful number, since it uses less digits than its factorization.

1530198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1530198 is about 1237.0117218523. The cubic root of 1530198 is about 115.2345057225.

It can be divided in two parts, 1530 and 198, that added together give a cube (1728 = 123).

The spelling of 1530198 in words is "one million, five hundred thirty thousand, one hundred ninety-eight".