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512130 = 23543397
BaseRepresentation
bin1111101000010000010
3222000111210
41331002002
5112342010
614550550
74232043
oct1750202
9860453
10512130
1131a853
12208456
1314c148
14d48ca
15a1b20
hex7d082

512130 has 32 divisors (see below), whose sum is σ = 1260864. Its totient is φ = 133056.

The previous prime is 512101. The next prime is 512137. The reversal of 512130 is 31215.

512130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (512137) 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, 1092 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (39402).

2512130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630432).

512130 is an abundant number, since it is smaller than the sum of its proper divisors (748734).

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

512130 is a wasteful number, since it uses less digits than its factorization.

512130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 512130 is about 715.6325872960. The cubic root of 512130 is about 80.0067702604.

512130 divided by its product of nonzero digits (30) gives a palindrome (17071).

Adding to 512130 its reverse (31215), we get a palindrome (543345).

It can be divided in two parts, 5121 and 30, that added together give a triangular number (5151 = T101).

The spelling of 512130 in words is "five hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 397 430 645 794 1191 1290 1985 2382 3970 5955 11910 17071 34142 51213 85355 102426 170710 256065 512130