Search a number
-
+
158354419 = 983161093
BaseRepresentation
bin10010111000001…
…00101111110011
3102000222020102111
421130010233303
5311014320134
623414030151
73631663456
oct1134045763
9360866374
10158354419
1181429023
1245048357
1326a65752
141706149d
15dd7ec64
hex9704bf3

158354419 has 4 divisors (see below), whose sum is σ = 158516496. Its totient is φ = 158192344.

The previous prime is 158354411. The next prime is 158354431. The reversal of 158354419 is 914453851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914453851 = 1753791403.

It is a cyclic number.

It is not a de Polignac number, because 158354419 - 23 = 158354411 is a prime.

It is a super-2 number, since 2×1583544192 = 50152244033655122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158354411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79564 + ... + 81529.

It is an arithmetic number, because the mean of its divisors is an integer number (39629124).

Almost surely, 2158354419 is an apocalyptic number.

158354419 is a deficient number, since it is larger than the sum of its proper divisors (162077).

158354419 is an equidigital number, since it uses as much as digits as its factorization.

158354419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162076.

The product of its digits is 86400, while the sum is 40.

The square root of 158354419 is about 12583.8952236579. The cubic root of 158354419 is about 541.0159418019.

The spelling of 158354419 in words is "one hundred fifty-eight million, three hundred fifty-four thousand, four hundred nineteen".

Divisors: 1 983 161093 158354419