Search a number
-
+
104451745 = 520890349
BaseRepresentation
bin1100011100111…
…00111010100001
321021112200212011
412032130322201
5203214423440
614210432521
72405553016
oct616347241
9237480764
10104451745
1153a62162
122ab92741
1318841b88
14dc2d70d
1592839ea
hex639cea1

104451745 has 4 divisors (see below), whose sum is σ = 125342100. Its totient is φ = 83561392.

The previous prime is 104451733. The next prime is 104451761. The reversal of 104451745 is 547154401.

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 61732449 + 42719296 = 7857^2 + 6536^2 .

It is a cyclic number.

It is not a de Polignac number, because 104451745 - 29 = 104451233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10445170 + ... + 10445179.

It is an arithmetic number, because the mean of its divisors is an integer number (31335525).

Almost surely, 2104451745 is an apocalyptic number.

It is an amenable number.

104451745 is a deficient number, since it is larger than the sum of its proper divisors (20890355).

104451745 is an equidigital number, since it uses as much as digits as its factorization.

104451745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20890354.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 104451745 is about 10220.1636483962. The cubic root of 104451745 is about 470.9468538414.

The spelling of 104451745 in words is "one hundred four million, four hundred fifty-one thousand, seven hundred forty-five".

Divisors: 1 5 20890349 104451745