Base | Representation |
---|---|
bin | 10001010111100… |
… | …11000011111000 |
3 | 101011011021112122 |
4 | 20223303003320 |
5 | 244244332224 |
6 | 22242500412 |
7 | 3416264420 |
oct | 1053630370 |
9 | 334137478 |
10 | 145699064 |
11 | 75274955 |
12 | 40964708 |
13 | 24254384 |
14 | 154c9480 |
15 | cbd015e |
hex | 8af30f8 |
145699064 has 24 divisors (see below), whose sum is σ = 312405960. Its totient is φ = 62403744.
The previous prime is 145699063. The next prime is 145699091. The reversal of 145699064 is 460996541.
145699064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145699063) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89522 + ... + 91134.
It is an arithmetic number, because the mean of its divisors is an integer number (13016915).
Almost surely, 2145699064 is an apocalyptic number.
145699064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
145699064 is an abundant number, since it is smaller than the sum of its proper divisors (166706896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145699064 is an frugal number, since it uses more digits than its factorization.
145699064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3239 (or 1622 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 44.
The square root of 145699064 is about 12070.5867297327. The cubic root of 145699064 is about 526.2017086035.
The spelling of 145699064 in words is "one hundred forty-five million, six hundred ninety-nine thousand, sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •