Search a number
-
+
129234804 = 22324144687
BaseRepresentation
bin1111011001111…
…11011101110100
3100000011210211020
413230333131310
5231041003204
620453541140
73126322566
oct754773564
9300153736
10129234804
1166a4a026
12373447b0
1320a0b3ca
1413241336
15b52bbd9
hex7b3f774

129234804 has 24 divisors (see below), whose sum is σ = 302805888. Its totient is φ = 42898560.

The previous prime is 129234803. The next prime is 129234811. The reversal of 129234804 is 408432921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129234803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19452 + ... + 25235.

It is an arithmetic number, because the mean of its divisors is an integer number (12616912).

Almost surely, 2129234804 is an apocalyptic number.

It is an amenable number.

129234804 is an abundant number, since it is smaller than the sum of its proper divisors (173571084).

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

129234804 is a wasteful number, since it uses less digits than its factorization.

129234804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44935 (or 44933 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 129234804 is about 11368.1486619414. The cubic root of 129234804 is about 505.5838152182.

The spelling of 129234804 in words is "one hundred twenty-nine million, two hundred thirty-four thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 241 482 723 964 1446 2892 44687 89374 134061 178748 268122 536244 10769567 21539134 32308701 43078268 64617402 129234804