Search a number
-
+
1028838036 = 223127767139
BaseRepresentation
bin111101010100101…
…101001010010100
32122200221101110110
4331110231022110
54101340304121
6250031323020
734331656542
oct7524551224
92580841413
101028838036
11488830276
12248680470
131351c6305
149a8d6d92
15604cad76
hex3d52d294

1028838036 has 24 divisors (see below), whose sum is σ = 2402537760. Its totient is φ = 342672352.

The previous prime is 1028837989. The next prime is 1028838059. The reversal of 1028838036 is 6308388201.

1028838036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1028837985 and 1028838003.

It is a congruent number.

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, 18246 + ... + 48893.

It is an arithmetic number, because the mean of its divisors is an integer number (100105740).

Almost surely, 21028838036 is an apocalyptic number.

It is an amenable number.

1028838036 is an abundant number, since it is smaller than the sum of its proper divisors (1373699724).

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

1028838036 is a wasteful number, since it uses less digits than its factorization.

1028838036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68423 (or 68421 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1028838036 is about 32075.5052337450. The cubic root of 1028838036 is about 1009.5217276129.

The spelling of 1028838036 in words is "one billion, twenty-eight million, eight hundred thirty-eight thousand, thirty-six".

Divisors: 1 2 3 4 6 12 1277 2554 3831 5108 7662 15324 67139 134278 201417 268556 402834 805668 85736503 171473006 257209509 342946012 514419018 1028838036