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1030146 = 231347281
BaseRepresentation
bin11111011100000000010
31221100002120
43323200002
5230431041
634025110
711520225
oct3734002
91840076
101030146
11643a67
12418196
132a0b70
141cb5bc
15155366
hexfb802

1030146 has 32 divisors (see below), whose sum is σ = 2274048. Its totient is φ = 309120.

The previous prime is 1030121. The next prime is 1030153. The reversal of 1030146 is 6410301.

It is a super-2 number, since 2×10301462 = 2122401562632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (71064).

21030146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137024).

1030146 is an abundant number, since it is smaller than the sum of its proper divisors (1243902).

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

1030146 is a wasteful number, since it uses less digits than its factorization.

1030146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1030146 is about 1014.9610829978. The cubic root of 1030146 is about 100.9949348831.

Adding to 1030146 its reverse (6410301), we get a palindrome (7440447).

It can be divided in two parts, 1030 and 146, that added together give a triangular number (1176 = T48).

The spelling of 1030146 in words is "one million, thirty thousand, one hundred forty-six".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 281 282 562 611 843 1222 1686 1833 3653 3666 7306 10959 13207 21918 26414 39621 79242 171691 343382 515073 1030146