Base | Representation |
---|---|
bin | 10001100101000… |
… | …11110000111100 |
3 | 101021111022202110 |
4 | 20302203300330 |
5 | 300223041140 |
6 | 22344454020 |
7 | 3440325555 |
oct | 1062436074 |
9 | 337438673 |
10 | 147471420 |
11 | 76275508 |
12 | 4147a310 |
13 | 24724cc5 |
14 | 1582b32c |
15 | ce30380 |
hex | 8ca3c3c |
147471420 has 48 divisors (see below), whose sum is σ = 414761760. Its totient is φ = 39150336.
The previous prime is 147471419. The next prime is 147471421. The reversal of 147471420 is 24174741.
It is an interprime number because it is at equal distance from previous prime (147471419) and next prime (147471421).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147471421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8374 + ... + 19106.
It is an arithmetic number, because the mean of its divisors is an integer number (8640870).
Almost surely, 2147471420 is an apocalyptic number.
147471420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
147471420 is an abundant number, since it is smaller than the sum of its proper divisors (267290340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147471420 is a wasteful number, since it uses less digits than its factorization.
147471420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10974 (or 10972 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 30.
The square root of 147471420 is about 12143.7811245098. The cubic root of 147471420 is about 528.3267748779.
The spelling of 147471420 in words is "one hundred forty-seven million, four hundred seventy-one thousand, four hundred twenty".
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