Search a number
-
+
13195530 = 2325146617
BaseRepresentation
bin110010010101…
…100100001010
3220211101212100
4302111210022
511334224110
61150454230
7220105635
oct62254412
926741770
1013195530
1174a2aa7
124504376
13297020a
141a76c1c
151259bc0
hexc9590a

13195530 has 24 divisors (see below), whose sum is σ = 34308612. Its totient is φ = 3518784.

The previous prime is 13195529. The next prime is 13195541. The reversal of 13195530 is 3559131.

It can be written as a sum of positive squares in 2 ways, for example, as 13155129 + 40401 = 3627^2 + 201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13195494 and 13195503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73219 + ... + 73398.

Almost surely, 213195530 is an apocalyptic number.

13195530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13195530 is an abundant number, since it is smaller than the sum of its proper divisors (21113082).

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

13195530 is a wasteful number, since it uses less digits than its factorization.

13195530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146630 (or 146627 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 13195530 is about 3632.5652093252. The cubic root of 13195530 is about 236.3064700821.

The spelling of 13195530 in words is "thirteen million, one hundred ninety-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 146617 293234 439851 733085 879702 1319553 1466170 2199255 2639106 4398510 6597765 13195530