Search a number
-
+
13430258 = 26715129
BaseRepresentation
bin110011001110…
…110111110010
3221021022211222
4303032313302
511414232013
61155505042
7222104162
oct63166762
927238758
1013430258
117643396
1245b8182
132a22cca
141ad85a2
1512a4508
hexccedf2

13430258 has 4 divisors (see below), whose sum is σ = 20145390. Its totient is φ = 6715128.

The previous prime is 13430243. The next prime is 13430267. The reversal of 13430258 is 85203431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13344409 + 85849 = 3653^2 + 293^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357563 + ... + 3357566.

Almost surely, 213430258 is an apocalyptic number.

13430258 is a deficient number, since it is larger than the sum of its proper divisors (6715132).

13430258 is an equidigital number, since it uses as much as digits as its factorization.

13430258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715131.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 13430258 is about 3664.7316409254. The cubic root of 13430258 is about 237.6994181063.

Adding to 13430258 its reverse (85203431), we get a palindrome (98633689).

The spelling of 13430258 in words is "thirteen million, four hundred thirty thousand, two hundred fifty-eight".

Divisors: 1 2 6715129 13430258