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162139060 = 22517346861
BaseRepresentation
bin10011010101000…
…00101110110100
3102022002111222101
421222200232310
5313001422220
624031111444
74006105426
oct1152405664
9368074871
10162139060
1183583526
1246372584
132778c295
1417768816
15e37b30a
hex9aa0bb4

162139060 has 24 divisors (see below), whose sum is σ = 342467496. Its totient is φ = 64479360.

The previous prime is 162139039. The next prime is 162139073. The reversal of 162139060 is 60931261.

It can be written as a sum of positive squares in 4 ways, for example, as 37994896 + 124144164 = 6164^2 + 11142^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19971 + ... + 26890.

It is an arithmetic number, because the mean of its divisors is an integer number (14269479).

Almost surely, 2162139060 is an apocalyptic number.

162139060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162139060 is an abundant number, since it is smaller than the sum of its proper divisors (180328436).

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

162139060 is a wasteful number, since it uses less digits than its factorization.

162139060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47043 (or 47041 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 162139060 is about 12733.3836822739. The cubic root of 162139060 is about 545.2921139742.

The spelling of 162139060 in words is "one hundred sixty-two million, one hundred thirty-nine thousand, sixty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 46861 93722 187444 234305 468610 937220 8106953 16213906 32427812 40534765 81069530 162139060