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3478660 = 225173933
BaseRepresentation
bin1101010001010010000100
320112201211021
431101102010
51342304120
6202320524
741365603
oct15212204
96481737
103478660
111a66629
1211b9144
1394a4a3
14667a3a
1548aaaa
hex351484

3478660 has 12 divisors (see below), whose sum is σ = 7305228. Its totient is φ = 1391456.

The previous prime is 3478627. The next prime is 3478661. The reversal of 3478660 is 668743.

3478660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2359296 + 1119364 = 1536^2 + 1058^2 .

It is a d-powerful number, because it can be written as 35 + 45 + 76 + 83 + 68 + 68 + 0 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (3478661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86947 + ... + 86986.

It is an arithmetic number, because the mean of its divisors is an integer number (608769).

Almost surely, 23478660 is an apocalyptic number.

It is an amenable number.

3478660 is an abundant number, since it is smaller than the sum of its proper divisors (3826568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3478660 is a wasteful number, since it uses less digits than its factorization.

3478660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173942 (or 173940 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 3478660 is about 1865.1166183378. The cubic root of 3478660 is about 151.5202440389.

The spelling of 3478660 in words is "three million, four hundred seventy-eight thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 173933 347866 695732 869665 1739330 3478660