Base | Representation |
---|---|
bin | 10001010011110… |
… | …00111111110000 |
3 | 101010012212201000 |
4 | 20221320333300 |
5 | 244132332323 |
6 | 22224042000 |
7 | 3412112646 |
oct | 1051707760 |
9 | 333185630 |
10 | 145199088 |
11 | 74a63251 |
12 | 40763300 |
13 | 2410a928 |
14 | 153d9196 |
15 | cb31e43 |
hex | 8a78ff0 |
145199088 has 40 divisors (see below), whose sum is σ = 416776400. Its totient is φ = 48399552.
The previous prime is 145199029. The next prime is 145199099. The reversal of 145199088 is 880991541.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167623 + ... + 168486.
It is an arithmetic number, because the mean of its divisors is an integer number (10419410).
Almost surely, 2145199088 is an apocalyptic number.
145199088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
145199088 is an abundant number, since it is smaller than the sum of its proper divisors (271577312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145199088 is a wasteful number, since it uses less digits than its factorization.
145199088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 336126 (or 336114 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 45.
The square root of 145199088 is about 12049.8584224048. The cubic root of 145199088 is about 525.5991201170.
The spelling of 145199088 in words is "one hundred forty-five million, one hundred ninety-nine thousand, eighty-eight".
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