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158996471 is a prime number
BaseRepresentation
bin10010111101000…
…01011111110111
3102002011212011012
421132201133313
5311200341341
623435502435
73640306364
oct1136413767
9362155135
10158996471
1181827447
12452b7a1b
1326c2ba6a
141718b46b
15de5a0eb
hex97a17f7

158996471 has 2 divisors, whose sum is σ = 158996472. Its totient is φ = 158996470.

The previous prime is 158996419. The next prime is 158996479. The reversal of 158996471 is 174699851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158996471 - 26 = 158996407 is a prime.

It is a super-3 number, since 3×1589964713 (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158996479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79498235 + 79498236.

It is an arithmetic number, because the mean of its divisors is an integer number (79498236).

Almost surely, 2158996471 is an apocalyptic number.

158996471 is a deficient number, since it is larger than the sum of its proper divisors (1).

158996471 is an equidigital number, since it uses as much as digits as its factorization.

158996471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The square root of 158996471 is about 12609.3802781897. The cubic root of 158996471 is about 541.7461434255.

The spelling of 158996471 in words is "one hundred fifty-eight million, nine hundred ninety-six thousand, four hundred seventy-one".