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158434093 = 263602411
BaseRepresentation
bin10010111000110…
…00001100101101
3102001010021201101
421130120030231
5311024342333
623415443101
73632444656
oct1134301455
9361107641
10158434093
1181482974
1245086491
1326a92aac
141708252d
15dd9867d
hex971832d

158434093 has 4 divisors (see below), whose sum is σ = 159036768. Its totient is φ = 157831420.

The previous prime is 158434091. The next prime is 158434099. The reversal of 158434093 is 390434851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390434851 = 2399162749.

It is a cyclic number.

It is not a de Polignac number, because 158434093 - 21 = 158434091 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 (158434091) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 300943 + ... + 301468.

It is an arithmetic number, because the mean of its divisors is an integer number (39759192).

Almost surely, 2158434093 is an apocalyptic number.

It is an amenable number.

158434093 is a deficient number, since it is larger than the sum of its proper divisors (602675).

158434093 is an equidigital number, since it uses as much as digits as its factorization.

158434093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602674.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 158434093 is about 12587.0605385054. The cubic root of 158434093 is about 541.1066616719.

The spelling of 158434093 in words is "one hundred fifty-eight million, four hundred thirty-four thousand, ninety-three".

Divisors: 1 263 602411 158434093