Base | Representation |
---|---|
bin | 10001010101001… |
… | …01001011101010 |
3 | 101010120001222012 |
4 | 20222211023222 |
5 | 244204130244 |
6 | 22231555522 |
7 | 3413465420 |
oct | 1052451352 |
9 | 333501865 |
10 | 145380074 |
11 | 75077224 |
12 | 4082bba2 |
13 | 24172118 |
14 | 15445110 |
15 | cb6a89e |
hex | 8aa52ea |
145380074 has 16 divisors (see below), whose sum is σ = 257817600. Its totient is φ = 60157104.
The previous prime is 145380023. The next prime is 145380083. The reversal of 145380074 is 470083541.
It is a super-2 number, since 2×1453800742 = 42270731832490952, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 145380074.
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, 178634 + ... + 179445.
It is an arithmetic number, because the mean of its divisors is an integer number (16113600).
Almost surely, 2145380074 is an apocalyptic number.
145380074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
145380074 is a deficient number, since it is larger than the sum of its proper divisors (112437526).
145380074 is a wasteful number, since it uses less digits than its factorization.
145380074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358117.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 145380074 is about 12057.3659644219. The cubic root of 145380074 is about 525.8174102526.
The spelling of 145380074 in words is "one hundred forty-five million, three hundred eighty thousand, seventy-four".
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