Search a number
-
+
185013028 = 2246253257
BaseRepresentation
bin10110000011100…
…01001100100100
3110220010122011101
423001301030210
5334330404103
630205245444
74404404404
oct1301611444
9426118141
10185013028
1195487032
1251b63884
132c43a885
141a800804
1511398a1d
hexb071324

185013028 has 6 divisors (see below), whose sum is σ = 323772806. Its totient is φ = 92506512.

The previous prime is 185013001. The next prime is 185013041. The reversal of 185013028 is 820310581.

It can be written as a sum of positive squares in only one way, i.e., 115089984 + 69923044 = 10728^2 + 8362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 185012987 and 185013005.

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 as a sum of consecutive naturals, namely, 23126625 + ... + 23126632.

Almost surely, 2185013028 is an apocalyptic number.

It is an amenable number.

185013028 is a deficient number, since it is larger than the sum of its proper divisors (138759778).

185013028 is a wasteful number, since it uses less digits than its factorization.

185013028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46253261 (or 46253259 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 185013028 is about 13601.9494191090. The cubic root of 185013028 is about 569.8152966750.

It can be divided in two parts, 1850 and 13028, that added together give a triangular number (14878 = T172).

The spelling of 185013028 in words is "one hundred eighty-five million, thirteen thousand, twenty-eight".

Divisors: 1 2 4 46253257 92506514 185013028