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663070 = 25611087
BaseRepresentation
bin10100001111000011110
31020200120011
42201320132
5132204240
622113434
75431102
oct2417036
91220504
10663070
114131a1
1227b87a
131a2a65
14133902
15d16ea
hexa1e1e

663070 has 16 divisors (see below), whose sum is σ = 1214208. Its totient is φ = 260640.

The previous prime is 663053. The next prime is 663071. The reversal of 663070 is 70366.

Subtracting from 663070 its reverse (70366), we obtain a cube (592704 = 843).

It can be divided in two parts, 66 and 3070, that added together give a square (3136 = 562).

It is a happy number.

663070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663071) 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, 67 + ... + 1153.

It is an arithmetic number, because the mean of its divisors is an integer number (75888).

2663070 is an apocalyptic number.

663070 is a deficient number, since it is larger than the sum of its proper divisors (551138).

663070 is a wasteful number, since it uses less digits than its factorization.

663070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 663070 is about 814.2911027391. The cubic root of 663070 is about 87.2006642207.

The spelling of 663070 in words is "six hundred sixty-three thousand, seventy".

Divisors: 1 2 5 10 61 122 305 610 1087 2174 5435 10870 66307 132614 331535 663070