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107106481 = 532020877
BaseRepresentation
bin1100110001001…
…01000010110001
321110112120110201
412120211002301
5204404401411
614343355201
72440250536
oct630450261
9243476421
10107106481
1155505759
122ba52b01
1319261321
1410320d8d
15960a3c1
hex66250b1

107106481 has 4 divisors (see below), whose sum is σ = 109127412. Its totient is φ = 105085552.

The previous prime is 107106479. The next prime is 107106509. The reversal of 107106481 is 184601701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184601701 = 199715879.

It can be written as a sum of positive squares in 2 ways, for example, as 43362225 + 63744256 = 6585^2 + 7984^2 .

It is a cyclic number.

It is not a de Polignac number, because 107106481 - 21 = 107106479 is a prime.

It is a super-2 number, since 2×1071064812 = 22943596544406722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107106281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010386 + ... + 1010491.

It is an arithmetic number, because the mean of its divisors is an integer number (27281853).

Almost surely, 2107106481 is an apocalyptic number.

It is an amenable number.

107106481 is a deficient number, since it is larger than the sum of its proper divisors (2020931).

107106481 is an equidigital number, since it uses as much as digits as its factorization.

107106481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020930.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 107106481 is about 10349.2261063328. The cubic root of 107106481 is about 474.9033687089.

The spelling of 107106481 in words is "one hundred seven million, one hundred six thousand, four hundred eighty-one".

Divisors: 1 53 2020877 107106481