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158054660 = 22561129553
BaseRepresentation
bin10010110101110…
…11100100000100
3102000102000020022
421122323210010
5310430222120
623403354312
73626304521
oct1132734404
9360360208
10158054660
1181243895
1244b22998
132698c18a
1416dc4148
15dd21025
hex96bb904

158054660 has 24 divisors (see below), whose sum is σ = 337358616. Its totient is φ = 62184960.

The previous prime is 158054641. The next prime is 158054693. The reversal of 158054660 is 66450851.

158054660 = T393 + T394 + ... + T1002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19945156 + 138109504 = 4466^2 + 11752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 158054660.

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, 63557 + ... + 65996.

It is an arithmetic number, because the mean of its divisors is an integer number (14056609).

Almost surely, 2158054660 is an apocalyptic number.

158054660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158054660 is an abundant number, since it is smaller than the sum of its proper divisors (179303956).

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

158054660 is a wasteful number, since it uses less digits than its factorization.

158054660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129623 (or 129621 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 158054660 is about 12571.9791600209. The cubic root of 158054660 is about 540.6743518492.

The spelling of 158054660 in words is "one hundred fifty-eight million, fifty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 129553 259106 518212 647765 1295530 2591060 7902733 15805466 31610932 39513665 79027330 158054660