Base | Representation |
---|---|
bin | 10001010111111… |
… | …01110000111110 |
3 | 101011020111200120 |
4 | 20223331300332 |
5 | 244302233120 |
6 | 22243435410 |
7 | 3416536305 |
oct | 1053756076 |
9 | 334214616 |
10 | 145742910 |
11 | 752a4895 |
12 | 40985b66 |
13 | 2426b311 |
14 | 154db43c |
15 | cbdd140 |
hex | 8afdc3e |
145742910 has 32 divisors (see below), whose sum is σ = 357920640. Its totient is φ = 37960608.
The previous prime is 145742903. The next prime is 145742923. The reversal of 145742910 is 19247541.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55200 + ... + 57779.
It is an arithmetic number, because the mean of its divisors is an integer number (11185020).
Almost surely, 2145742910 is an apocalyptic number.
145742910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145742910 is an abundant number, since it is smaller than the sum of its proper divisors (212177730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145742910 is a wasteful number, since it uses less digits than its factorization.
145742910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113032.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 145742910 is about 12072.4028262811. The cubic root of 145742910 is about 526.2544875427.
The spelling of 145742910 in words is "one hundred forty-five million, seven hundred forty-two thousand, nine hundred ten".
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