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130513060 = 22537176369
BaseRepresentation
bin1111100011101…
…11100010100100
3100002120202021001
413301313202210
5231402404220
620541203044
73143225356
oct761674244
9302522231
10130513060
1167742437
1237860484
1321068182
14134950d6
15b6d080a
hex7c778a4

130513060 has 24 divisors (see below), whose sum is σ = 281486520. Its totient is φ = 50793984.

The previous prime is 130513049. The next prime is 130513093. The reversal of 130513060 is 60315031.

It can be written as a sum of positive squares in 4 ways, for example, as 5788836 + 124724224 = 2406^2 + 11168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87445 + ... + 88924.

It is an arithmetic number, because the mean of its divisors is an integer number (11728605).

Almost surely, 2130513060 is an apocalyptic number.

130513060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130513060 is an abundant number, since it is smaller than the sum of its proper divisors (150973460).

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

130513060 is a wasteful number, since it uses less digits than its factorization.

130513060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176415 (or 176413 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 130513060 is about 11424.2312651662. The cubic root of 130513060 is about 507.2452522012.

Adding to 130513060 its reverse (60315031), we get a palindrome (190828091).

It can be divided in two parts, 1305 and 13060, that added together give a triangular number (14365 = T169).

The spelling of 130513060 in words is "one hundred thirty million, five hundred thirteen thousand, sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 176369 352738 705476 881845 1763690 3527380 6525653 13051306 26102612 32628265 65256530 130513060