Base | Representation |
---|---|
bin | 10001010011001… |
… | …01110001110010 |
3 | 101010001212201112 |
4 | 20221211301302 |
5 | 244122322440 |
6 | 22222233322 |
7 | 3411334313 |
oct | 1051456162 |
9 | 333055645 |
10 | 145120370 |
11 | 74a0a09a |
12 | 40725842 |
13 | 240b0b55 |
14 | 153b860a |
15 | cb18965 |
hex | 8a65c72 |
145120370 has 16 divisors (see below), whose sum is σ = 262663128. Its totient is φ = 57726720.
The previous prime is 145120351. The next prime is 145120387. The reversal of 145120370 is 73021541.
It can be written as a sum of positive squares in 4 ways, for example, as 62837329 + 82283041 = 7927^2 + 9071^2 .
It is a zygodrome in base 6.
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 7 ways as a sum of consecutive naturals, for example, 38279 + ... + 41898.
Almost surely, 2145120370 is an apocalyptic number.
145120370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145120370 is a deficient number, since it is larger than the sum of its proper divisors (117542758).
145120370 is a wasteful number, since it uses less digits than its factorization.
145120370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80365.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 145120370 is about 12046.5916341511. The cubic root of 145120370 is about 525.5041204601.
The spelling of 145120370 in words is "one hundred forty-five million, one hundred twenty thousand, three hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •