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1020030 = 235112281
BaseRepresentation
bin11111001000001111110
31220211012220
43321001332
5230120110
633510210
711445564
oct3710176
91824186
101020030
11637400
12412366
1329938b
141c7a34
15152370
hexf907e

1020030 has 48 divisors (see below), whose sum is σ = 2700432. Its totient is φ = 246400.

The previous prime is 1020023. The next prime is 1020037. The reversal of 1020030 is 300201.

It is an interprime number because it is at equal distance from previous prime (1020023) and next prime (1020037).

It is a super-2 number, since 2×10200302 = 2080922401800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020037) 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, 3490 + ... + 3770.

It is an arithmetic number, because the mean of its divisors is an integer number (56259).

21020030 is an apocalyptic number.

1020030 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 1020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350216).

1020030 is an abundant number, since it is smaller than the sum of its proper divisors (1680402).

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

1020030 is a wasteful number, since it uses less digits than its factorization.

1020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 1020030 is about 1009.9653459401. The cubic root of 1020030 is about 100.6632578313.

Adding to 1020030 its reverse (300201), we get a palindrome (1320231).

The spelling of 1020030 in words is "one million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 281 330 363 562 605 726 843 1210 1405 1686 1815 2810 3091 3630 4215 6182 8430 9273 15455 18546 30910 34001 46365 68002 92730 102003 170005 204006 340010 510015 1020030