Base | Representation |
---|---|
bin | 10001010010110… |
… | …01101000010111 |
3 | 101002222100110202 |
4 | 20221121220113 |
5 | 244114224430 |
6 | 22221211115 |
7 | 3411036254 |
oct | 1051315027 |
9 | 332870422 |
10 | 145070615 |
11 | 74985778 |
12 | 40700a9b |
13 | 24094301 |
14 | 153a442b |
15 | cb08d45 |
hex | 8a59a17 |
145070615 has 16 divisors (see below), whose sum is σ = 180722880. Its totient is φ = 111659520.
The previous prime is 145070609. The next prime is 145070621. The reversal of 145070615 is 516070541.
It is an interprime number because it is at equal distance from previous prime (145070609) and next prime (145070621).
It is not a de Polignac number, because 145070615 - 26 = 145070551 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
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, 43487 + ... + 46703.
It is an arithmetic number, because the mean of its divisors is an integer number (11295180).
Almost surely, 2145070615 is an apocalyptic number.
145070615 is a deficient number, since it is larger than the sum of its proper divisors (35652265).
145070615 is a wasteful number, since it uses less digits than its factorization.
145070615 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3562.
The product of its (nonzero) digits is 4200, while the sum is 29.
The square root of 145070615 is about 12044.5263501725. The cubic root of 145070615 is about 525.4440566519. Note that the first 3 decimals are identical.
The spelling of 145070615 in words is "one hundred forty-five million, seventy thousand, six hundred fifteen".
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