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3478072 = 231353631
BaseRepresentation
bin1101010001001000111000
320112201000111
431101020320
51342244242
6202314104
741364103
oct15211070
96481014
103478072
111a66144
1211b8934
1394a140
1466773a
1548a817
hex351238

3478072 has 32 divisors (see below), whose sum is σ = 7166880. Its totient is φ = 1572480.

The previous prime is 3478061. The next prime is 3478073. The reversal of 3478072 is 2708743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478073) 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, 5197 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (223965).

Almost surely, 23478072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3478072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583440).

3478072 is an abundant number, since it is smaller than the sum of its proper divisors (3688808).

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

3478072 is a wasteful number, since it uses less digits than its factorization.

3478072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 3478072 is about 1864.9589807822. The cubic root of 3478072 is about 151.5117063718.

The spelling of 3478072 in words is "three million, four hundred seventy-eight thousand, seventy-two".

Divisors: 1 2 4 8 13 26 52 53 104 106 212 424 631 689 1262 1378 2524 2756 5048 5512 8203 16406 32812 33443 65624 66886 133772 267544 434759 869518 1739036 3478072