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2002572 = 22321113389
BaseRepresentation
bin111101000111010001100
310202202000100
413220322030
51003040242
6110531100
723010255
oct7507214
93682010
102002572
111148620
12806a90
13551670
143a1b2c
1529854c
hex1e8e8c

2002572 has 72 divisors (see below), whose sum is σ = 5962320. Its totient is φ = 558720.

The previous prime is 2002547. The next prime is 2002577. The reversal of 2002572 is 2752002.

It is a happy number.

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 (2002577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4954 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (82810).

22002572 is an apocalyptic number.

2002572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2981160).

2002572 is an abundant number, since it is smaller than the sum of its proper divisors (3959748).

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

2002572 is a wasteful number, since it uses less digits than its factorization.

2002572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 418 counting only the distinct ones).

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

The square root of 2002572 is about 1415.1226095289. The cubic root of 2002572 is about 126.0460904700.

Adding to 2002572 its reverse (2752002), we get a palindrome (4754574).

It can be divided in two parts, 200 and 2572, that added together give a palindrome (2772).

The spelling of 2002572 in words is "two million, two thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 99 117 132 143 156 198 234 286 389 396 429 468 572 778 858 1167 1287 1556 1716 2334 2574 3501 4279 4668 5057 5148 7002 8558 10114 12837 14004 15171 17116 20228 25674 30342 38511 45513 51348 55627 60684 77022 91026 111254 154044 166881 182052 222508 333762 500643 667524 1001286 2002572