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275990304 = 25312722637
BaseRepresentation
bin10000011100110…
…100011100100000
3201020022202112010
4100130310130200
51031123142204
643215232520
76560610312
oct2034643440
9636282463
10275990304
11131875667
1278518740
1345242595
14289237b2
1519369d89
hex10734720

275990304 has 48 divisors (see below), whose sum is σ = 730211328. Its totient is φ = 91268352.

The previous prime is 275990293. The next prime is 275990327. The reversal of 275990304 is 403099572.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 874 + ... + 23510.

It is an arithmetic number, because the mean of its divisors is an integer number (15212736).

Almost surely, 2275990304 is an apocalyptic number.

275990304 is a gapful number since it is divisible by the number (24) 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 275990304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365105664).

275990304 is an abundant number, since it is smaller than the sum of its proper divisors (454221024).

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

275990304 is a wasteful number, since it uses less digits than its factorization.

275990304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777 (or 22769 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 275990304 is about 16612.9559079653. The cubic root of 275990304 is about 651.0753827870.

The spelling of 275990304 in words is "two hundred seventy-five million, nine hundred ninety thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 127 254 381 508 762 1016 1524 2032 3048 4064 6096 12192 22637 45274 67911 90548 135822 181096 271644 362192 543288 724384 1086576 2173152 2874899 5749798 8624697 11499596 17249394 22999192 34498788 45998384 68997576 91996768 137995152 275990304