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706140 = 223253923
BaseRepresentation
bin10101100011001011100
31022212122100
42230121130
5140044030
623045100
76000501
oct2543134
91285570
10706140
11442596
122a0790
131b9546
141454a8
15de360
hexac65c

706140 has 36 divisors (see below), whose sum is σ = 2142504. Its totient is φ = 188256.

The previous prime is 706133. The next prime is 706141. The reversal of 706140 is 41607.

706140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1782 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (59514).

2706140 is an apocalyptic number.

It is an amenable number.

706140 is an abundant number, since it is smaller than the sum of its proper divisors (1436364).

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

706140 is a wasteful number, since it uses less digits than its factorization.

706140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 706140 is about 840.3213670971. The cubic root of 706140 is about 89.0492510301.

Adding to 706140 its reverse (41607), we get a palindrome (747747).

The spelling of 706140 in words is "seven hundred six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 3923 7846 11769 15692 19615 23538 35307 39230 47076 58845 70614 78460 117690 141228 176535 235380 353070 706140