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100486481 is a prime number
BaseRepresentation
bin1011111110101…
…00110101010001
321000002020112112
411333110311101
5201211031411
613545435105
72330056334
oct577246521
9230066475
10100486481
11517a3a87
122979ba95
1317a84074
14d4ba61b
158c4db8b
hex5fd4d51

100486481 has 2 divisors, whose sum is σ = 100486482. Its totient is φ = 100486480.

The previous prime is 100486457. The next prime is 100486489. The reversal of 100486481 is 184684001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70291456 + 30195025 = 8384^2 + 5495^2 .

It is a cyclic number.

It is not a de Polignac number, because 100486481 - 26 = 100486417 is a prime.

It is a super-2 number, since 2×1004864812 = 20195065727526722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100486489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50243240 + 50243241.

It is an arithmetic number, because the mean of its divisors is an integer number (50243241).

Almost surely, 2100486481 is an apocalyptic number.

It is an amenable number.

100486481 is a deficient number, since it is larger than the sum of its proper divisors (1).

100486481 is an equidigital number, since it uses as much as digits as its factorization.

100486481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 100486481 is about 10024.2945387693. The cubic root of 100486481 is about 464.9103476908.

The spelling of 100486481 in words is "one hundred million, four hundred eighty-six thousand, four hundred eighty-one".