Base | Representation |
---|---|
bin | 10001010010101… |
… | …00101011100100 |
3 | 101002221022122211 |
4 | 20221110223210 |
5 | 244113102330 |
6 | 22220533204 |
7 | 3410623201 |
oct | 1051245344 |
9 | 332838584 |
10 | 145050340 |
11 | 74971516 |
12 | 406b1204 |
13 | 24088006 |
14 | 1539aca8 |
15 | cb02d2a |
hex | 8a54ae4 |
145050340 has 12 divisors (see below), whose sum is σ = 304605756. Its totient is φ = 58020128.
The previous prime is 145050337. The next prime is 145050349. The reversal of 145050340 is 43050541.
It can be written as a sum of positive squares in 2 ways, for example, as 41499364 + 103550976 = 6442^2 + 10176^2 .
It is a super-2 number, since 2×1450503402 = 42079202268231200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145050349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3626239 + ... + 3626278.
It is an arithmetic number, because the mean of its divisors is an integer number (25383813).
Almost surely, 2145050340 is an apocalyptic number.
145050340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145050340 is an abundant number, since it is smaller than the sum of its proper divisors (159555416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145050340 is a wasteful number, since it uses less digits than its factorization.
145050340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7252526 (or 7252524 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 145050340 is about 12043.6846521320. The cubic root of 145050340 is about 525.4195769078.
The spelling of 145050340 in words is "one hundred forty-five million, fifty thousand, three hundred forty".
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