Search a number
-
+
40027452 = 223171923449
BaseRepresentation
bin1001100010110…
…0010100111100
32210022121100020
42120230110330
540221334302
63545532140
7664141053
oct230542474
983277306
1040027452
112065a243
12114a4050
1383a61aa
14545d39a
1537a9ebc
hex262c53c

40027452 has 96 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 11354112.

The previous prime is 40027441. The next prime is 40027459. The reversal of 40027452 is 25472004.

It is a super-2 number, since 2×400274522 = 3204393827224608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40027459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88924 + ... + 89372.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 240027452 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 40027452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54432000).

40027452 is an abundant number, since it is smaller than the sum of its proper divisors (68836548).

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

40027452 is a wasteful number, since it uses less digits than its factorization.

40027452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 40027452 is about 6326.7252192584. The cubic root of 40027452 is about 342.0734085436.

Adding to 40027452 its reverse (25472004), we get a palindrome (65499456).

The spelling of 40027452 in words is "forty million, twenty-seven thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 19 23 34 38 46 51 57 68 69 76 92 102 114 138 204 228 276 323 391 437 449 646 782 874 898 969 1173 1292 1311 1347 1564 1748 1796 1938 2346 2622 2694 3876 4692 5244 5388 7429 7633 8531 10327 14858 15266 17062 20654 22287 22899 25593 29716 30532 30981 34124 41308 44574 45798 51186 61962 89148 91596 102372 123924 145027 175559 196213 290054 351118 392426 435081 526677 580108 588639 702236 784852 870162 1053354 1177278 1740324 2106708 2354556 3335621 6671242 10006863 13342484 20013726 40027452