Base | Representation |
---|---|
bin | 10010001001000… |
… | …11101100101111 |
3 | 101121101001002011 |
4 | 21010203230233 |
5 | 302430032433 |
6 | 23033542051 |
7 | 3525406606 |
oct | 1104435457 |
9 | 347331064 |
10 | 152189743 |
11 | 789a8452 |
12 | 42b74927 |
13 | 256b7804 |
14 | 162d8a3d |
15 | d5633cd |
hex | 9123b2f |
152189743 has 4 divisors (see below), whose sum is σ = 154274608. Its totient is φ = 150104880.
The previous prime is 152189731. The next prime is 152189747. The reversal of 152189743 is 347981251.
152189743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 152189743 - 25 = 152189711 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 152189696 and 152189705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152189747) 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, 1042323 + ... + 1042468.
It is an arithmetic number, because the mean of its divisors is an integer number (38568652).
Almost surely, 2152189743 is an apocalyptic number.
152189743 is a deficient number, since it is larger than the sum of its proper divisors (2084865).
152189743 is an equidigital number, since it uses as much as digits as its factorization.
152189743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2084864.
The product of its digits is 60480, while the sum is 40.
The square root of 152189743 is about 12336.5207007487. The cubic root of 152189743 is about 533.9023034298.
The spelling of 152189743 in words is "one hundred fifty-two million, one hundred eighty-nine thousand, seven hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •