Base | Representation |
---|---|
bin | 11100010101010… |
… | …010101100011000 |
3 | 1020010102221220000 |
4 | 130111102230120 |
5 | 1433141444030 |
6 | 115100133000 |
7 | 14531232342 |
oct | 3425225430 |
9 | 1203387800 |
10 | 475343640 |
11 | 224356792 |
12 | 113237160 |
13 | 77631435 |
14 | 471b8292 |
15 | 2bae7860 |
hex | 1c552b18 |
475343640 has 160 divisors (see below), whose sum is σ = 1653102000. Its totient is φ = 122363136.
The previous prime is 475343639. The next prime is 475343641. The reversal of 475343640 is 46343574.
It is a happy number.
475343640 is a `hidden beast` number, since 4 + 7 + 5 + 3 + 4 + 3 + 640 = 666.
It is an interprime number because it is at equal distance from previous prime (475343639) and next prime (475343641).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 475343595 and 475343604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (475343641) 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 39 ways as a sum of consecutive naturals, for example, 91431 + ... + 96489.
Almost surely, 2475343640 is an apocalyptic number.
475343640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 475343640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826551000).
475343640 is an abundant number, since it is smaller than the sum of its proper divisors (1177758360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
475343640 is a wasteful number, since it uses less digits than its factorization.
475343640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5111 (or 5098 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 36.
The square root of 475343640 is about 21802.3769346372. The cubic root of 475343640 is about 780.4334868547.
The spelling of 475343640 in words is "four hundred seventy-five million, three hundred forty-three thousand, six hundred forty".
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