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100481666 = 2281178793
BaseRepresentation
bin1011111110100…
…11101010000010
321000001222221012
411333103222002
5201210403131
613545400522
72330036315
oct577235202
9230058835
10100481666
11517a03aa
1229799142
1317a81b0c
14d4b897c
158c4c52b
hex5fd3a82

100481666 has 8 divisors (see below), whose sum is σ = 151259724. Its totient is φ = 50061760.

The previous prime is 100481663. The next prime is 100481699. The reversal of 100481666 is 666184001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97436641 + 3045025 = 9871^2 + 1745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100481663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88835 + ... + 89958.

Almost surely, 2100481666 is an apocalyptic number.

100481666 is a deficient number, since it is larger than the sum of its proper divisors (50778058).

100481666 is a wasteful number, since it uses less digits than its factorization.

100481666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179076.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 100481666 is about 10024.0543693657. The cubic root of 100481666 is about 464.9029218857.

The spelling of 100481666 in words is "one hundred million, four hundred eighty-one thousand, six hundred sixty-six".

Divisors: 1 2 281 562 178793 357586 50240833 100481666