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545706 = 23276171
BaseRepresentation
bin10000101001110101010
31000201120100
42011032222
5114430311
615410230
74431660
oct2051652
91021510
10545706
11342aa7
12223976
13161505
14102c30
15aba56
hex853aa

545706 has 48 divisors (see below), whose sum is σ = 1392768. Its totient is φ = 151200.

The previous prime is 545663. The next prime is 545711. The reversal of 545706 is 607545.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545706.

It is a congruent number.

It is an unprimeable number.

545706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7651 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (29016).

2545706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696384).

545706 is an abundant number, since it is smaller than the sum of its proper divisors (847062).

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

545706 is a wasteful number, since it uses less digits than its factorization.

545706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 545706 is about 738.7191617929. The cubic root of 545706 is about 81.7183475925.

The spelling of 545706 in words is "five hundred forty-five thousand, seven hundred six".

Divisors: 1 2 3 6 7 9 14 18 21 42 61 63 71 122 126 142 183 213 366 426 427 497 549 639 854 994 1098 1278 1281 1491 2562 2982 3843 4331 4473 7686 8662 8946 12993 25986 30317 38979 60634 77958 90951 181902 272853 545706