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986420069 = 1675906707
BaseRepresentation
bin111010110010111…
…001001101100101
32112202010022221122
4322302321031211
54010010420234
6241514223325
733305301155
oct7262711545
92482108848
10986420069
11466898aa8
12236424b45
1312949401b
1495014765
155b8ec92e
hex3acb9365

986420069 has 4 divisors (see below), whose sum is σ = 992326944. Its totient is φ = 980513196.

The previous prime is 986420059. The next prime is 986420077. The reversal of 986420069 is 960024689.

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, and also an emirpimes, since its reverse is a distinct semiprime: 960024689 = 1373848053.

It is a cyclic number.

It is not a de Polignac number, because 986420069 - 216 = 986354533 is a prime.

It is a super-2 number, since 2×9864200692 = 1946049105051929522, 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 (986420009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953187 + ... + 2953520.

It is an arithmetic number, because the mean of its divisors is an integer number (248081736).

Almost surely, 2986420069 is an apocalyptic number.

It is an amenable number.

986420069 is a deficient number, since it is larger than the sum of its proper divisors (5906875).

986420069 is a wasteful number, since it uses less digits than its factorization.

986420069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906874.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 986420069 is about 31407.3250850817. The cubic root of 986420069 is about 995.4527098282.

The spelling of 986420069 in words is "nine hundred eighty-six million, four hundred twenty thousand, sixty-nine".

Divisors: 1 167 5906707 986420069