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276525012 = 2231911310733
BaseRepresentation
bin10000011110110…
…110111111010100
3201021022221000010
4100132312333110
51031242300022
643234520220
76565265241
oct2036667724
9637287003
10276525012
11132100375
1278736070
134539ba8a
1428a225c8
151942350c
hex107b6fd4

276525012 has 48 divisors (see below), whose sum is σ = 685258560. Its totient is φ = 86542848.

The previous prime is 276525001. The next prime is 276525037. The reversal of 276525012 is 210525672.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20398 + ... + 31130.

It is an arithmetic number, because the mean of its divisors is an integer number (14276220).

Almost surely, 2276525012 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 276525012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342629280).

276525012 is an abundant number, since it is smaller than the sum of its proper divisors (408733548).

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

276525012 is a wasteful number, since it uses less digits than its factorization.

276525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872 (or 10870 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 276525012 is about 16629.0412231133. The cubic root of 276525012 is about 651.4955794688.

The spelling of 276525012 in words is "two hundred seventy-six million, five hundred twenty-five thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 113 114 226 228 339 452 678 1356 2147 4294 6441 8588 10733 12882 21466 25764 32199 42932 64398 128796 203927 407854 611781 815708 1212829 1223562 2425658 2447124 3638487 4851316 7276974 14553948 23043751 46087502 69131253 92175004 138262506 276525012