Base | Representation |
---|---|
bin | 10001011000111… |
… | …01110111111110 |
3 | 101011111012002200 |
4 | 20230131313332 |
5 | 244320440210 |
6 | 22250332330 |
7 | 3420624612 |
oct | 1054356776 |
9 | 334435080 |
10 | 145874430 |
11 | 75384689 |
12 | 40a2a0a6 |
13 | 242b6140 |
14 | 15533342 |
15 | cc170c0 |
hex | 8b1ddfe |
145874430 has 48 divisors (see below), whose sum is σ = 408451680. Its totient is φ = 35907264.
The previous prime is 145874411. The next prime is 145874453. The reversal of 145874430 is 34478541.
145874430 is a `hidden beast` number, since 1 + 4 + 587 + 44 + 30 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61170 + ... + 63509.
It is an arithmetic number, because the mean of its divisors is an integer number (8509410).
Almost surely, 2145874430 is an apocalyptic number.
145874430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145874430 is an abundant number, since it is smaller than the sum of its proper divisors (262577250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145874430 is a wasteful number, since it uses less digits than its factorization.
145874430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124705 (or 124702 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 145874430 is about 12077.8487322867. The cubic root of 145874430 is about 526.4127392228.
The spelling of 145874430 in words is "one hundred forty-five million, eight hundred seventy-four thousand, four hundred thirty".
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