Base | Representation |
---|---|
bin | 10001100011010… |
… | …01001000100110 |
3 | 101021001010100000 |
4 | 20301221020212 |
5 | 300142400040 |
6 | 22335402130 |
7 | 3435305454 |
oct | 1061511046 |
9 | 337033300 |
10 | 147231270 |
11 | 7612103a |
12 | 41383346 |
13 | 2466c8c4 |
14 | 157a79d4 |
15 | cdd4130 |
hex | 8c69226 |
147231270 has 48 divisors (see below), whose sum is σ = 396985680. Its totient is φ = 39261024.
The previous prime is 147231241. The next prime is 147231277. The reversal of 147231270 is 72132741.
It is a happy number.
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 (147231277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27865 + ... + 32724.
It is an arithmetic number, because the mean of its divisors is an integer number (8270535).
Almost surely, 2147231270 is an apocalyptic number.
147231270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
147231270 is an abundant number, since it is smaller than the sum of its proper divisors (249754410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147231270 is an equidigital number, since it uses as much as digits as its factorization.
147231270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60611 (or 60599 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 147231270 is about 12133.8893187634. The cubic root of 147231270 is about 528.0398342881.
The spelling of 147231270 in words is "one hundred forty-seven million, two hundred thirty-one thousand, two hundred seventy".
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