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168884969 = 11137112067
BaseRepresentation
bin10100001000011…
…11101011101001
3102202210020121212
422010033223221
5321213304334
624431442505
74120333001
oct1204175351
9382706555
10168884969
1187370860
1248686435
1328cb1946
1418603001
15ec5eece
hexa10fae9

168884969 has 8 divisors (see below), whose sum is σ = 185584608. Its totient is φ = 152409760.

The previous prime is 168884921. The next prime is 168884971. The reversal of 168884969 is 969488861.

168884969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168884969 - 28 = 168884713 is a prime.

It is a super-2 number, since 2×1688849692 = 57044265508261922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168884269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54527 + ... + 57540.

It is an arithmetic number, because the mean of its divisors is an integer number (23198076).

Almost surely, 2168884969 is an apocalyptic number.

It is an amenable number.

168884969 is a deficient number, since it is larger than the sum of its proper divisors (16699639).

168884969 is a wasteful number, since it uses less digits than its factorization.

168884969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112215.

The product of its digits is 5971968, while the sum is 59.

The square root of 168884969 is about 12995.5749776607. The cubic root of 168884969 is about 552.7520129566.

The spelling of 168884969 in words is "one hundred sixty-eight million, eight hundred eighty-four thousand, nine hundred sixty-nine".

Divisors: 1 11 137 1507 112067 1232737 15353179 168884969