Search a number
-
+
128003036 = 22730714891
BaseRepresentation
bin1111010000100…
…10101111011100
322220212020011012
413220102233130
5230232044121
620411314352
73113002460
oct750225734
9286766135
10128003036
1166288637
1236a4b9b8
1320699855
14130004a0
15b386c5b
hex7a12bdc

128003036 has 24 divisors (see below), whose sum is σ = 256857216. Its totient is φ = 54676080.

The previous prime is 128003011. The next prime is 128003041. The reversal of 128003036 is 630300821.

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, 1151 + ... + 16041.

It is an arithmetic number, because the mean of its divisors is an integer number (10702384).

Almost surely, 2128003036 is an apocalyptic number.

It is an amenable number.

128003036 is an abundant number, since it is smaller than the sum of its proper divisors (128854180).

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

128003036 is a wasteful number, since it uses less digits than its factorization.

128003036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15209 (or 15207 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 128003036 is about 11313.8426717009. The cubic root of 128003036 is about 503.9724044268.

Adding to 128003036 its reverse (630300821), we get a palindrome (758303857).

The spelling of 128003036 in words is "one hundred twenty-eight million, three thousand, thirty-six".

Divisors: 1 2 4 7 14 28 307 614 1228 2149 4298 8596 14891 29782 59564 104237 208474 416948 4571537 9143074 18286148 32000759 64001518 128003036