Search a number
-
+
126402928 = 2447168089
BaseRepresentation
bin1111000100011…
…00000101110000
322210211221012221
413202030011300
5224324343203
620313130424
73063256441
oct742140560
9283757187
10126402928
1165395433
12363b9a14
1320259442
1412b052c8
15b16cabd
hex788c170

126402928 has 20 divisors (see below), whose sum is σ = 250117920. Its totient is φ = 61856384.

The previous prime is 126402911. The next prime is 126402949. The reversal of 126402928 is 829204621.

It is a junction number, because it is equal to n+sod(n) for n = 126402893 and 126402902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83293 + ... + 84796.

It is an arithmetic number, because the mean of its divisors is an integer number (12505896).

Almost surely, 2126402928 is an apocalyptic number.

It is an amenable number.

126402928 is a deficient number, since it is larger than the sum of its proper divisors (123714992).

126402928 is a wasteful number, since it uses less digits than its factorization.

126402928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168144 (or 168138 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 126402928 is about 11242.9056742463. The cubic root of 126402928 is about 501.8636159082.

The spelling of 126402928 in words is "one hundred twenty-six million, four hundred two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 47 94 188 376 752 168089 336178 672356 1344712 2689424 7900183 15800366 31600732 63201464 126402928