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3104405 = 51933217
BaseRepresentation
bin1011110101111010010101
312211201102222
423311322111
51243320110
6150312125
735246513
oct13657225
95751388
103104405
111830427
121058645
13849035
145ab4b3
15414c55
hex2f5e95

3104405 has 8 divisors (see below), whose sum is σ = 3745752. Its totient is φ = 2469888.

The previous prime is 3104393. The next prime is 3104407. The reversal of 3104405 is 5044013.

It can be written as a sum of positive squares in 4 ways, for example, as 515524 + 2588881 = 718^2 + 1609^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3104405 - 210 = 3103381 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3104407) 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, 644 + ... + 2573.

It is an arithmetic number, because the mean of its divisors is an integer number (468219).

Almost surely, 23104405 is an apocalyptic number.

It is an amenable number.

3104405 is a deficient number, since it is larger than the sum of its proper divisors (641347).

3104405 is a wasteful number, since it uses less digits than its factorization.

3104405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3104405 is about 1761.9321780364. The cubic root of 3104405 is about 145.8790046523.

Adding to 3104405 its reverse (5044013), we get a palindrome (8148418).

The spelling of 3104405 in words is "three million, one hundred four thousand, four hundred five".

Divisors: 1 5 193 965 3217 16085 620881 3104405