Search a number
-
+
104725281 = 337943471
BaseRepresentation
bin1100011110111…
…11101100100001
321022001121002010
412033133230201
5203302202111
614220343133
72411102343
oct617375441
9238047063
10104725281
1154129721
122b0a4aa9
131890952b
14dca1293
1592d9aa6
hex63dfb21

104725281 has 8 divisors (see below), whose sum is σ = 143407744. Its totient is φ = 67929840.

The previous prime is 104725277. The next prime is 104725307. The reversal of 104725281 is 182527401.

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

It is not a de Polignac number, because 104725281 - 22 = 104725277 is a prime.

It is a super-2 number, since 2×1047252812 = 21934768961057922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104725211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471625 + ... + 471846.

It is an arithmetic number, because the mean of its divisors is an integer number (17925968).

Almost surely, 2104725281 is an apocalyptic number.

It is an amenable number.

104725281 is a deficient number, since it is larger than the sum of its proper divisors (38682463).

104725281 is an equidigital number, since it uses as much as digits as its factorization.

104725281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943511.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 104725281 is about 10233.5370718046. The cubic root of 104725281 is about 471.3575973568.

It can be divided in two parts, 10472 and 5281, that added together give a triangular number (15753 = T177).

The spelling of 104725281 in words is "one hundred four million, seven hundred twenty-five thousand, two hundred eighty-one".

Divisors: 1 3 37 111 943471 2830413 34908427 104725281