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1130130 = 232529433
BaseRepresentation
bin100010011111010010010
32010102020200
410103322102
5242131010
640120030
712414561
oct4237222
92112220
101130130
117020a1
12466016
13307521
14215bd8
15174cc0
hex113e92

1130130 has 48 divisors (see below), whose sum is σ = 3046680. Its totient is φ = 290304.

The previous prime is 1130123. The next prime is 1130131. The reversal of 1130130 is 310311.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 439569 = 831^2 + 663^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1130131) 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, 2394 + ... + 2826.

21130130 is an apocalyptic number.

1130130 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 1130130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523340).

1130130 is an abundant number, since it is smaller than the sum of its proper divisors (1916550).

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

1130130 is a wasteful number, since it uses less digits than its factorization.

1130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1130130 is about 1063.0757263714. The cubic root of 1130130 is about 104.1620378388.

Adding to 1130130 its reverse (310311), we get a palindrome (1440441).

The spelling of 1130130 in words is "one million, one hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 433 435 522 866 870 1299 1305 2165 2598 2610 3897 4330 6495 7794 12557 12990 19485 25114 37671 38970 62785 75342 113013 125570 188355 226026 376710 565065 1130130