Base | Representation |
---|---|
bin | 1100111001111… |
… | …00101110001101 |
3 | 21112200202220000 |
4 | 12130330232031 |
5 | 210203031140 |
6 | 14424114513 |
7 | 2453061426 |
oct | 634745615 |
9 | 245622800 |
10 | 108252045 |
11 | 56118400 |
12 | 30305a39 |
13 | 19572885 |
14 | 1053c64d |
15 | 9784a30 |
hex | 673cb8d |
108252045 has 90 divisors (see below), whose sum is σ = 217931406. Its totient is φ = 51369120.
The previous prime is 108252043. The next prime is 108252077. The reversal of 108252045 is 540252801.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 86601636 + 21650409 = 9306^2 + 4653^2 .
It is not a de Polignac number, because 108252045 - 21 = 108252043 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108252043) by changing a digit.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 2303212 + ... + 2303258.
Almost surely, 2108252045 is an apocalyptic number.
108252045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
108252045 is an abundant number, since it is smaller than the sum of its proper divisors (109679361).
108252045 is an equidigital number, since it uses as much as digits as its factorization.
108252045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133 (or 66 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The square root of 108252045 is about 10404.4242993065. The cubic root of 108252045 is about 476.5904874972.
The spelling of 108252045 in words is "one hundred eight million, two hundred fifty-two thousand, forty-five".
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