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158030081 = 1161923209
BaseRepresentation
bin10010110101101…
…01100100000001
3102000100202111222
421122311210001
5310423430311
623403044425
73626143046
oct1132654401
9360322458
10158030081
1181227380
1244b10715
1326980c31
1416db91cd
15dd18adb
hex96b5901

158030081 has 8 divisors (see below), whose sum is σ = 172682400. Its totient is φ = 143425440.

The previous prime is 158030063. The next prime is 158030101. The reversal of 158030081 is 180030851.

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

It is a cyclic number.

It is not a de Polignac number, because 158030081 - 26 = 158030017 is a prime.

It is a super-2 number, since 2×1580300812 = 49947013001733122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158030081.

It is not an unprimeable number, because it can be changed into a prime (158030681) 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, 4796 + ... + 18413.

It is an arithmetic number, because the mean of its divisors is an integer number (21585300).

Almost surely, 2158030081 is an apocalyptic number.

158030081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

158030081 is a deficient number, since it is larger than the sum of its proper divisors (14652319).

158030081 is a wasteful number, since it uses less digits than its factorization.

158030081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23839.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 158030081 is about 12571.0015909632. The cubic root of 158030081 is about 540.6463237315.

The spelling of 158030081 in words is "one hundred fifty-eight million, thirty thousand, eighty-one".

Divisors: 1 11 619 6809 23209 255299 14366371 158030081