Search a number
-
+
729162142 = 23259111869
BaseRepresentation
bin101011011101100…
…010000110011110
31212211001021102021
4223131202012132
52443131142032
6200204250354
724032530102
oct5335420636
91784037367
10729162142
11344658345
121842409ba
13b80acbb7
146cba9902
1544033097
hex2b76219e

729162142 has 8 divisors (see below), whose sum is σ = 1094088600. Its totient is φ = 364465944.

The previous prime is 729162121. The next prime is 729162143. The reversal of 729162142 is 241261927.

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

It is a junction number, because it is equal to n+sod(n) for n = 729162098 and 729162107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729162143) 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, 49417 + ... + 62452.

It is an arithmetic number, because the mean of its divisors is an integer number (136761075).

Almost surely, 2729162142 is an apocalyptic number.

729162142 is a deficient number, since it is larger than the sum of its proper divisors (364926458).

729162142 is a wasteful number, since it uses less digits than its factorization.

729162142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115130.

The product of its digits is 12096, while the sum is 34.

The square root of 729162142 is about 27003.0024626892. The cubic root of 729162142 is about 900.0667201566.

The spelling of 729162142 in words is "seven hundred twenty-nine million, one hundred sixty-two thousand, one hundred forty-two".

Divisors: 1 2 3259 6518 111869 223738 364581071 729162142