Search a number
-
+
315426 = 2352571
BaseRepresentation
bin1001101000000100010
3121000200110
41031000202
540043201
610432150
72452416
oct1150042
9530613
10315426
111a5a91
12132656
13b0757
1482d46
15636d6
hex4d022

315426 has 8 divisors (see below), whose sum is σ = 630864. Its totient is φ = 105140.

The previous prime is 315421. The next prime is 315437. The reversal of 315426 is 624513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

315426 is an admirable number.

It is a super-2 number, since 2×3154262 = 198987122952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315421) by changing a digit.

315426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26280 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (78858).

2315426 is an apocalyptic number.

315426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

315426 is a wasteful number, since it uses less digits than its factorization.

315426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52576.

The product of its digits is 720, while the sum is 21.

The square root of 315426 is about 561.6279907554. The cubic root of 315426 is about 68.0715797582.

Adding to 315426 its reverse (624513), we get a palindrome (939939).

It can be divided in two parts, 315 and 426, that added together give a triangular number (741 = T38).

The spelling of 315426 in words is "three hundred fifteen thousand, four hundred twenty-six".

Divisors: 1 2 3 6 52571 105142 157713 315426