Base | Representation |
---|---|
bin | 10010010011001… |
… | …10101000101010 |
3 | 101200212020112210 |
4 | 21021212220222 |
5 | 303244344430 |
6 | 23122145550 |
7 | 3542556165 |
oct | 1111465052 |
9 | 350766483 |
10 | 153512490 |
11 | 7972122a |
12 | 434b22b6 |
13 | 25a5b8c1 |
14 | 16560adc |
15 | d7252b0 |
hex | 9266a2a |
153512490 has 16 divisors (see below), whose sum is σ = 368430048. Its totient is φ = 40936656.
The previous prime is 153512483. The next prime is 153512507. The reversal of 153512490 is 94215351.
153512490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5117083 = 153512490 / (1 + 5 + 3 + 5 + 1 + 2 + 4 + 9 + 0).
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, 2558512 + ... + 2558571.
It is an arithmetic number, because the mean of its divisors is an integer number (23026878).
Almost surely, 2153512490 is an apocalyptic number.
153512490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
153512490 is an abundant number, since it is smaller than the sum of its proper divisors (214917558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153512490 is a wasteful number, since it uses less digits than its factorization.
153512490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5117093.
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 153512490 is about 12390.0157384888. The cubic root of 153512490 is about 535.4446357493. Note that the first 3 decimals are identical.
The spelling of 153512490 in words is "one hundred fifty-three million, five hundred twelve thousand, four hundred ninety".
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