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169150812 = 22314095901
BaseRepresentation
bin10100001010100…
…00100101011100
3102210021202021220
422011100211130
5321300311222
624441253340
74122521025
oct1205204534
9383252256
10169150812
1187532566
1248794250
132907594c
1418671c4c
15ecb3b5c
hexa15095c

169150812 has 12 divisors (see below), whose sum is σ = 394685256. Its totient is φ = 56383600.

The previous prime is 169150811. The next prime is 169150847. The reversal of 169150812 is 218051961.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1691508122 = 57223994400518688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169150811) 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, 7047939 + ... + 7047962.

It is an arithmetic number, because the mean of its divisors is an integer number (32890438).

Almost surely, 2169150812 is an apocalyptic number.

169150812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

169150812 is an abundant number, since it is smaller than the sum of its proper divisors (225534444).

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

169150812 is a wasteful number, since it uses less digits than its factorization.

169150812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14095908 (or 14095906 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 169150812 is about 13005.7991680635. The cubic root of 169150812 is about 553.0418911680.

The spelling of 169150812 in words is "one hundred sixty-nine million, one hundred fifty thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 14095901 28191802 42287703 56383604 84575406 169150812