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887690428 = 2217235310709
BaseRepresentation
bin110100111010010…
…001010010111100
32021212100100100021
4310322101102330
53304222043203
6224030141524
730666146512
oct6472212274
92255310307
10887690428
11416094a59
122093518a4
13111ba6811
1485c744b2
1552de95bd
hex34e914bc

887690428 has 48 divisors (see below), whose sum is σ = 1748900160. Its totient is φ = 391998464.

The previous prime is 887690423. The next prime is 887690429. The reversal of 887690428 is 824096788.

887690428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887690423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77538 + ... + 88246.

It is an arithmetic number, because the mean of its divisors is an integer number (36435420).

Almost surely, 2887690428 is an apocalyptic number.

It is an amenable number.

887690428 is a deficient number, since it is larger than the sum of its proper divisors (861209732).

887690428 is a wasteful number, since it uses less digits than its factorization.

887690428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806 (or 10804 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 887690428 is about 29794.1341206621. The cubic root of 887690428 is about 961.0673992626.

The spelling of 887690428 in words is "eight hundred eighty-seven million, six hundred ninety thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 23 34 46 53 68 92 106 212 391 782 901 1219 1564 1802 2438 3604 4876 10709 20723 21418 41446 42836 82892 182053 246307 364106 492614 567577 728212 985228 1135154 2270308 4187219 8374438 9648809 13054271 16748876 19297618 26108542 38595236 52217084 221922607 443845214 887690428