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1836030 = 235721249
BaseRepresentation
bin111000000001111111110
310110021120010
413000033332
5432223110
6103204050
721414600
oct7001776
93407503
101836030
111044489
12746626
134c3911
1435b170
15264020
hex1c03fe

1836030 has 48 divisors (see below), whose sum is σ = 5130000. Its totient is φ = 419328.

The previous prime is 1836011. The next prime is 1836031. The reversal of 1836030 is 306381.

1836030 = 6762 + 6772 + ... + 6792.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1835988 and 1836006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846 + ... + 2094.

It is an arithmetic number, because the mean of its divisors is an integer number (106875).

21836030 is an apocalyptic number.

1836030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2565000).

1836030 is an abundant number, since it is smaller than the sum of its proper divisors (3293970).

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

1836030 is a wasteful number, since it uses less digits than its factorization.

1836030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1836030 is about 1355.0018450172. The cubic root of 1836030 is about 122.4503199910.

The spelling of 1836030 in words is "one million, eight hundred thirty-six thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1249 1470 2498 3747 6245 7494 8743 12490 17486 18735 26229 37470 43715 52458 61201 87430 122402 131145 183603 262290 306005 367206 612010 918015 1836030