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162136908 = 22324503803
BaseRepresentation
bin10011010101000…
…00001101001100
3102022002102000200
421222200031030
5313001340113
624031053500
74006066233
oct1152401514
9368072020
10162136908
118358194a
1246371290
132778b2cb
1417767b1a
15e37a873
hex9aa034c

162136908 has 18 divisors (see below), whose sum is σ = 409846164. Its totient is φ = 54045624.

The previous prime is 162136901. The next prime is 162136921. The reversal of 162136908 is 809631261.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4503803 = 162136908 / (1 + 6 + 2 + 1 + 3 + 6 + 9 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (162136901) 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 5 ways as a sum of consecutive naturals, for example, 2251866 + ... + 2251937.

Almost surely, 2162136908 is an apocalyptic number.

162136908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

162136908 is an abundant number, since it is smaller than the sum of its proper divisors (247709256).

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

162136908 is a wasteful number, since it uses less digits than its factorization.

162136908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503813 (or 4503808 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 162136908 is about 12733.2991797099. The cubic root of 162136908 is about 545.2897014899.

The spelling of 162136908 in words is "one hundred sixty-two million, one hundred thirty-six thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 4503803 9007606 13511409 18015212 27022818 40534227 54045636 81068454 162136908