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985665230 = 251123389591
BaseRepresentation
bin111010110000000…
…000111011001110
32112200200222111122
4322300000323032
54004312241410
6241450120542
733266005364
oct7260007316
92480628448
10985665230
11466422970
12236120152
1312928b584
1494c99634
155b7ede55
hex3ac00ece

985665230 has 32 divisors (see below), whose sum is σ = 2019644928. Its totient is φ = 342839200.

The previous prime is 985665217. The next prime is 985665277. The reversal of 985665230 is 32566589.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192266 + ... + 197325.

It is an arithmetic number, because the mean of its divisors is an integer number (63113904).

Almost surely, 2985665230 is an apocalyptic number.

985665230 is an abundant number, since it is smaller than the sum of its proper divisors (1033979698).

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

985665230 is a wasteful number, since it uses less digits than its factorization.

985665230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389632.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 985665230 is about 31395.3058593160. The cubic root of 985665230 is about 995.1987280140.

The spelling of 985665230 in words is "nine hundred eighty-five million, six hundred sixty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 389591 779182 1947955 3895910 4285501 8571002 8960593 17921186 21427505 42855010 44802965 89605930 98566523 197133046 492832615 985665230