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3471985 = 51163127
BaseRepresentation
bin1101001111101001110001
320112101200001
431033221301
51342100420
6202230001
741340256
oct15175161
96471601
103471985
111a61610
1211b5301
1394743a
1466542d
15488b0a
hex34fa71

3471985 has 8 divisors (see below), whose sum is σ = 4545216. Its totient is φ = 2525040.

The previous prime is 3471959. The next prime is 3471989. The reversal of 3471985 is 5891743.

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

It is not a de Polignac number, because 3471985 - 27 = 3471857 is a prime.

It is a Duffinian number.

3471985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3471989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31509 + ... + 31618.

It is an arithmetic number, because the mean of its divisors is an integer number (568152).

Almost surely, 23471985 is an apocalyptic number.

It is an amenable number.

3471985 is a deficient number, since it is larger than the sum of its proper divisors (1073231).

3471985 is a wasteful number, since it uses less digits than its factorization.

3471985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63143.

The product of its digits is 30240, while the sum is 37.

The square root of 3471985 is about 1863.3263267608. The cubic root of 3471985 is about 151.4232674997.

It can be divided in two parts, 347 and 1985, that added together give a palindrome (2332).

The spelling of 3471985 in words is "three million, four hundred seventy-one thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 63127 315635 694397 3471985