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572040 = 233257227
BaseRepresentation
bin10001011101010001000
31002001200200
42023222020
5121301130
620132200
74601520
oct2135210
91061620
10572040
11360867
12237060
131704b1
1410c680
15b4760
hex8ba88

572040 has 96 divisors (see below), whose sum is σ = 2134080. Its totient is φ = 130176.

The previous prime is 572027. The next prime is 572041. The reversal of 572040 is 40275.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (572041) by changing a digit.

572040 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, 2407 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (22230).

2572040 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 572040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067040).

572040 is an abundant number, since it is smaller than the sum of its proper divisors (1562040).

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

572040 is a wasteful number, since it uses less digits than its factorization.

572040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 572040 is about 756.3332598795. Note that the first 3 decimals coincide. The cubic root of 572040 is about 83.0122399329.

The spelling of 572040 in words is "five hundred seventy-two thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 227 252 280 315 360 420 454 504 630 681 840 908 1135 1260 1362 1589 1816 2043 2270 2520 2724 3178 3405 4086 4540 4767 5448 6356 6810 7945 8172 9080 9534 10215 12712 13620 14301 15890 16344 19068 20430 23835 27240 28602 31780 38136 40860 47670 57204 63560 71505 81720 95340 114408 143010 190680 286020 572040