Base | Representation |
---|---|
bin | 10001010100110… |
… | …00011111000110 |
3 | 101010110102122010 |
4 | 20222120133012 |
5 | 244200444240 |
6 | 22230515050 |
7 | 3413160666 |
oct | 1052303706 |
9 | 333412563 |
10 | 145328070 |
11 | 75041148 |
12 | 40805a86 |
13 | 24154554 |
14 | 154301a6 |
15 | cb5a280 |
hex | 8a987c6 |
145328070 has 32 divisors (see below), whose sum is σ = 369305568. Its totient is φ = 36474368.
The previous prime is 145328069. The next prime is 145328081. The reversal of 145328070 is 70823541.
It is a super-2 number, since 2×1453280702 = 42240495859849800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141969 + ... + 142988.
It is an arithmetic number, because the mean of its divisors is an integer number (11540799).
Almost surely, 2145328070 is an apocalyptic number.
145328070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145328070 is an abundant number, since it is smaller than the sum of its proper divisors (223977498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145328070 is a wasteful number, since it uses less digits than its factorization.
145328070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284984.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 145328070 is about 12055.2092474581. The cubic root of 145328070 is about 525.7547059470.
The spelling of 145328070 in words is "one hundred forty-five million, three hundred twenty-eight thousand, seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •