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985793669 = 7140827667
BaseRepresentation
bin111010110000100…
…000010010000101
32112200221111200122
4322300200102011
54004330344134
6241452551325
733300052010
oct7260402205
92480844618
10985793669
11466500413
12236182545
13129304b83
1494cd0377
155b82702e
hex3ac20485

985793669 has 4 divisors (see below), whose sum is σ = 1126621344. Its totient is φ = 844965996.

The previous prime is 985793657. The next prime is 985793717. The reversal of 985793669 is 966397589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 985793669 - 224 = 969016453 is a prime.

It is a super-2 number, since 2×9857936692 = 1943578315680963122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985793609) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 70413827 + ... + 70413840.

It is an arithmetic number, because the mean of its divisors is an integer number (281655336).

Almost surely, 2985793669 is an apocalyptic number.

It is an amenable number.

985793669 is a deficient number, since it is larger than the sum of its proper divisors (140827675).

985793669 is a wasteful number, since it uses less digits than its factorization.

985793669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140827674.

The product of its digits is 22044960, while the sum is 62.

The square root of 985793669 is about 31397.3513054844. The cubic root of 985793669 is about 995.2419532301.

The spelling of 985793669 in words is "nine hundred eighty-five million, seven hundred ninety-three thousand, six hundred sixty-nine".

Divisors: 1 7 140827667 985793669