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169147927 = 1379164701
BaseRepresentation
bin10100001010011…
…11111000010111
3102210021121100001
422011033320113
5321300213202
624441232131
74122506434
oct1205177027
9383247301
10169147927
1187530383
1248792647
1329074540
1418670b8b
15ecb2d87
hexa14fe17

169147927 has 8 divisors (see below), whose sum is σ = 184466240. Its totient is φ = 154159200.

The previous prime is 169147907. The next prime is 169147931. The reversal of 169147927 is 729741961.

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

It is a de Polignac number, because none of the positive numbers 2k-169147927 is a prime.

It is a super-2 number, since 2×1691479272 = 57222042416794658, 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 (169147907) 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, 81324 + ... + 83377.

It is an arithmetic number, because the mean of its divisors is an integer number (23058280).

Almost surely, 2169147927 is an apocalyptic number.

169147927 is a deficient number, since it is larger than the sum of its proper divisors (15318313).

169147927 is a wasteful number, since it uses less digits than its factorization.

169147927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164793.

The product of its digits is 190512, while the sum is 46.

The square root of 169147927 is about 13005.6882555288. The cubic root of 169147927 is about 553.0387469621.

The spelling of 169147927 in words is "one hundred sixty-nine million, one hundred forty-seven thousand, nine hundred twenty-seven".

Divisors: 1 13 79 1027 164701 2141113 13011379 169147927