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158147071 = 5312792333
BaseRepresentation
bin10010110110100…
…10000111111111
3102000120200222221
421123102013333
5310441201241
623405350211
73630141115
oct1133220777
9360520887
10158147071
11812a7265
1244b68367
13269c2264
1417009ab5
15dd3d5d1
hex96d21ff

158147071 has 8 divisors (see below), whose sum is σ = 161326080. Its totient is φ = 154975392.

The previous prime is 158147029. The next prime is 158147083. The reversal of 158147071 is 170741851.

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

It is not a de Polignac number, because 158147071 - 27 = 158146943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158147971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66621 + ... + 68953.

It is an arithmetic number, because the mean of its divisors is an integer number (20165760).

Almost surely, 2158147071 is an apocalyptic number.

158147071 is a deficient number, since it is larger than the sum of its proper divisors (3179009).

158147071 is a wasteful number, since it uses less digits than its factorization.

158147071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 158147071 is about 12575.6538994996. The cubic root of 158147071 is about 540.7797046915.

The spelling of 158147071 in words is "one hundred fifty-eight million, one hundred forty-seven thousand, seventy-one".

Divisors: 1 53 1279 2333 67787 123649 2983907 158147071