Base | Representation |
---|---|
bin | 10001010100001… |
… | …11100011010100 |
3 | 101010022220111011 |
4 | 20222013203110 |
5 | 244141234313 |
6 | 22225222004 |
7 | 3412451530 |
oct | 1052074324 |
9 | 333286434 |
10 | 145258708 |
11 | 74aa4021 |
12 | 40791904 |
13 | 2412baca |
14 | 15412bc0 |
15 | cb4493d |
hex | 8a878d4 |
145258708 has 48 divisors (see below), whose sum is σ = 308367360. Its totient is φ = 58522464.
The previous prime is 145258697. The next prime is 145258721. The reversal of 145258708 is 807852541.
It is a super-2 number, since 2×1452587082 = 42200184499658528, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36085 + ... + 39907.
It is an arithmetic number, because the mean of its divisors is an integer number (6424320).
Almost surely, 2145258708 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145258708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154183680).
145258708 is an abundant number, since it is smaller than the sum of its proper divisors (163108652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145258708 is a wasteful number, since it uses less digits than its factorization.
145258708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3916 (or 3914 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 40.
The square root of 145258708 is about 12052.3320564943. The cubic root of 145258708 is about 525.6710487862.
The spelling of 145258708 in words is "one hundred forty-five million, two hundred fifty-eight thousand, seven hundred eight".
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