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8076400 = 245261331
BaseRepresentation
bin11110110011110001110000
3120012022201221
4132303301300
54031421100
6445034424
7125435233
oct36636160
916168657
108076400
114616a12
122855a14
13189a147
14110341a
15a9801a
hex7b3c70

8076400 has 60 divisors (see below), whose sum is σ = 19781224. Its totient is φ = 3168000.

The previous prime is 8076379. The next prime is 8076403. The reversal of 8076400 is 46708.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8076403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24235 + ... + 24565.

Almost surely, 28076400 is an apocalyptic number.

8076400 is a gapful number since it is divisible by the number (80) 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 8076400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9890612).

8076400 is an abundant number, since it is smaller than the sum of its proper divisors (11704824).

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

8076400 is a wasteful number, since it uses less digits than its factorization.

8076400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8076400 is about 2841.9007723705. The cubic root of 8076400 is about 200.6346506293.

The spelling of 8076400 in words is "eight million, seventy-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 61 80 100 122 200 244 305 331 400 488 610 662 976 1220 1324 1525 1655 2440 2648 3050 3310 4880 5296 6100 6620 8275 12200 13240 16550 20191 24400 26480 33100 40382 66200 80764 100955 132400 161528 201910 323056 403820 504775 807640 1009550 1615280 2019100 4038200 8076400