Base | Representation |
---|---|
bin | 10001010100000… |
… | …01110001011110 |
3 | 101010021201000111 |
4 | 20222001301132 |
5 | 244140010123 |
6 | 22224520234 |
7 | 3412322524 |
oct | 1052016136 |
9 | 333251014 |
10 | 145235038 |
11 | 74a88263 |
12 | 4078007a |
13 | 241210c0 |
14 | 15408314 |
15 | cb3c90d |
hex | 8a81c5e |
145235038 has 24 divisors (see below), whose sum is σ = 240544584. Its totient is φ = 65376960.
The previous prime is 145235023. The next prime is 145235039. The reversal of 145235038 is 830532541.
It is a super-2 number, since 2×1452350382 = 42186432525722888, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145235039) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42045 + ... + 45367.
It is an arithmetic number, because the mean of its divisors is an integer number (10022691).
Almost surely, 2145235038 is an apocalyptic number.
145235038 is a deficient number, since it is larger than the sum of its proper divisors (95309546).
145235038 is a wasteful number, since it uses less digits than its factorization.
145235038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3420 (or 3379 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 145235038 is about 12051.3500488534. The cubic root of 145235038 is about 525.6424944232.
Adding to 145235038 its reverse (830532541), we get a palindrome (975767579).
The spelling of 145235038 in words is "one hundred forty-five million, two hundred thirty-five thousand, thirty-eight".
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