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104881457 = 110994573
BaseRepresentation
bin1100100000001…
…01110100110001
321022100112022102
412100011310301
5203322201312
614223550145
72412322562
oct620056461
9238315272
10104881457
1154225a9a
122b15b355
1318962645
14dd02169
15931aec2
hex6405d31

104881457 has 4 divisors (see below), whose sum is σ = 104977140. Its totient is φ = 104785776.

The previous prime is 104881453. The next prime is 104881459. The reversal of 104881457 is 754188401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52983841 + 51897616 = 7279^2 + 7204^2 .

It is a cyclic number.

It is not a de Polignac number, because 104881457 - 22 = 104881453 is a prime.

It is a super-2 number, since 2×1048814572 = 22000240044885698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104881457.

It is not an unprimeable number, because it can be changed into a prime (104881451) 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, 46178 + ... + 48395.

It is an arithmetic number, because the mean of its divisors is an integer number (26244285).

Almost surely, 2104881457 is an apocalyptic number.

It is an amenable number.

104881457 is a deficient number, since it is larger than the sum of its proper divisors (95683).

104881457 is an equidigital number, since it uses as much as digits as its factorization.

104881457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95682.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 104881457 is about 10241.1648263271. The cubic root of 104881457 is about 471.5917916220.

The spelling of 104881457 in words is "one hundred four million, eight hundred eighty-one thousand, four hundred fifty-seven".

Divisors: 1 1109 94573 104881457