Search a number
-
+
92145143 = 269342547
BaseRepresentation
bin1010111111000…
…00010111110111
320102101110101002
411133200113313
5142042121033
613050553515
72166135506
oct537402767
9212343332
1092145143
1148017012
1226a3889b
131612346c
14c34883d
1581523e8
hex57e05f7

92145143 has 4 divisors (see below), whose sum is σ = 92487960. Its totient is φ = 91802328.

The previous prime is 92145121. The next prime is 92145181. The reversal of 92145143 is 34154129.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 92145143 - 212 = 92141047 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 (92145103) 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 3 ways as a sum of consecutive naturals, for example, 171005 + ... + 171542.

It is an arithmetic number, because the mean of its divisors is an integer number (23121990).

Almost surely, 292145143 is an apocalyptic number.

92145143 is a deficient number, since it is larger than the sum of its proper divisors (342817).

92145143 is a wasteful number, since it uses less digits than its factorization.

92145143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342816.

The product of its digits is 4320, while the sum is 29.

The square root of 92145143 is about 9599.2261667282. The cubic root of 92145143 is about 451.6730200371.

It can be divided in two parts, 921 and 45143, that added together give a palindrome (46064).

The spelling of 92145143 in words is "ninety-two million, one hundred forty-five thousand, one hundred forty-three".

Divisors: 1 269 342547 92145143