Base | Representation |
---|---|
bin | 10010001010000… |
… | …11011101011111 |
3 | 101121121122112112 |
4 | 21011003131133 |
5 | 302443213324 |
6 | 23040424235 |
7 | 3526461110 |
oct | 1105033537 |
9 | 347548475 |
10 | 152319839 |
11 | 78a87171 |
12 | 4301807b |
13 | 25731aa9 |
14 | 16330207 |
15 | d58bc0e |
hex | 914375f |
152319839 has 4 divisors (see below), whose sum is σ = 174079824. Its totient is φ = 130559856.
The previous prime is 152319781. The next prime is 152319899. The reversal of 152319839 is 938913251.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938913251 = 29 ⋅32376319.
It is not a de Polignac number, because 152319839 - 224 = 135542623 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 152319796 and 152319805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152319899) 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, 10879982 + ... + 10879995.
It is an arithmetic number, because the mean of its divisors is an integer number (43519956).
Almost surely, 2152319839 is an apocalyptic number.
152319839 is a deficient number, since it is larger than the sum of its proper divisors (21759985).
152319839 is an equidigital number, since it uses as much as digits as its factorization.
152319839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21759984.
The product of its digits is 58320, while the sum is 41.
The square root of 152319839 is about 12341.7923738815. The cubic root of 152319839 is about 534.0543915850.
The spelling of 152319839 in words is "one hundred fifty-two million, three hundred nineteen thousand, eight hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •