Base | Representation |
---|---|
bin | 100110001110100… |
… | …100000110111100 |
3 | 1122200211001201101 |
4 | 212032210012330 |
5 | 2303141231444 |
6 | 143350222444 |
7 | 21615255160 |
oct | 4616440674 |
9 | 1580731641 |
10 | 641352124 |
11 | 2aa032386 |
12 | 15a954a24 |
13 | a2b469ca |
14 | 6126cca0 |
15 | 3b48a3d4 |
hex | 263a41bc |
641352124 has 24 divisors (see below), whose sum is σ = 1289361248. Its totient is φ = 273438720.
The previous prime is 641352097. The next prime is 641352133. The reversal of 641352124 is 421253146.
It is a super-2 number, since 2×6413521242 = 822665093918622752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 641352092 and 641352101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53937 + ... + 64744.
Almost surely, 2641352124 is an apocalyptic number.
It is an amenable number.
641352124 is an abundant number, since it is smaller than the sum of its proper divisors (648009124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
641352124 is a wasteful number, since it uses less digits than its factorization.
641352124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118885 (or 118883 counting only the distinct ones).
The product of its digits is 5760, while the sum is 28.
The square root of 641352124 is about 25324.9308784842. The cubic root of 641352124 is about 862.3803372180.
The spelling of 641352124 in words is "six hundred forty-one million, three hundred fifty-two thousand, one hundred twenty-four".
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