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1275000480 = 253351373311
BaseRepresentation
bin100101111111110…
…1111011010100000
310021212010201212000
41023333233122200
510102400003410
6330303404000
743411216365
oct11377573240
93255121760
101275000480
115a4782806
122b6bb3600
131741c4070
14c149446c
1576e02dc0
hex4bfef6a0

1275000480 has 384 divisors, whose sum is σ = 4887267840. Its totient is φ = 308551680.

The previous prime is 1275000479. The next prime is 1275000499. The reversal of 1275000480 is 840005721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4099525 + ... + 4099835.

It is an arithmetic number, because the mean of its divisors is an integer number (12727260).

Almost surely, 21275000480 is an apocalyptic number.

1275000480 is a gapful number since it is divisible by the number (10) 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 1275000480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2443633920).

1275000480 is an abundant number, since it is smaller than the sum of its proper divisors (3612267360).

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

1275000480 is a wasteful number, since it uses less digits than its factorization.

1275000480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1275000480 is about 35707.1488640580. The cubic root of 1275000480 is about 1084.3515787006.

The spelling of 1275000480 in words is "one billion, two hundred seventy-five million, four hundred eighty", and thus it is an aban number.