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2542512 = 243722347
BaseRepresentation
bin1001101100101110110000
311210011200010
421230232300
51122330022
6130254520
730416400
oct11545660
94704603
102542512
111487255
12a27440
136b035b
144a2800
1535350c
hex26cbb0

2542512 has 120 divisors (see below), whose sum is σ = 8142336. Its totient is φ = 680064.

The previous prime is 2542511. The next prime is 2542513. The reversal of 2542512 is 2152452.

It is a happy number.

2542512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2542511) and next prime (2542513).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (2542511) 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, 54073 + ... + 54119.

22542512 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 2542512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4071168).

2542512 is an abundant number, since it is smaller than the sum of its proper divisors (5599824).

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

2542512 is a wasteful number, since it uses less digits than its factorization.

2542512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 82 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 2542512 is about 1594.5256347892. The cubic root of 2542512 is about 136.4858630987.

Adding to 2542512 its reverse (2152452), we get a palindrome (4694964).

The spelling of 2542512 in words is "two million, five hundred forty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 47 48 49 56 69 84 92 94 98 112 138 141 147 161 168 184 188 196 276 282 294 322 329 336 368 376 392 483 552 564 588 644 658 752 784 966 987 1081 1104 1127 1128 1176 1288 1316 1932 1974 2162 2254 2256 2303 2352 2576 2632 3243 3381 3864 3948 4324 4508 4606 5264 6486 6762 6909 7567 7728 7896 8648 9016 9212 12972 13524 13818 15134 15792 17296 18032 18424 22701 25944 27048 27636 30268 36848 45402 51888 52969 54096 55272 60536 90804 105938 110544 121072 158907 181608 211876 317814 363216 423752 635628 847504 1271256 2542512