Search a number
-
+
130204434 = 23148314633
BaseRepresentation
bin1111100001011…
…00001100010010
3100002000001220110
413300230030102
5231313020214
620530422150
73140501523
oct760541422
9302001813
10130204434
1167551578
1237731956
1320c8a859
141341484a
15b66e159
hex7c2c312

130204434 has 16 divisors (see below), whose sum is σ = 260602272. Its totient is φ = 43369248.

The previous prime is 130204427. The next prime is 130204457. The reversal of 130204434 is 434402031.

It is a super-3 number, since 3×1302044343 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130204434.

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, 1582 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (16287642).

Almost surely, 2130204434 is an apocalyptic number.

130204434 is an abundant number, since it is smaller than the sum of its proper divisors (130397838).

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

130204434 is a wasteful number, since it uses less digits than its factorization.

130204434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16121.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 130204434 is about 11410.7157531857. The cubic root of 130204434 is about 506.8451067202.

Adding to 130204434 its reverse (434402031), we get a palindrome (564606465).

The spelling of 130204434 in words is "one hundred thirty million, two hundred four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1483 2966 4449 8898 14633 29266 43899 87798 21700739 43401478 65102217 130204434