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1255424800 = 25527377383
BaseRepresentation
bin100101011010100…
…0100001100100000
310020111022012001211
41022311010030200
510032342043200
6324324035504
743052635420
oct11265041440
93214265054
101255424800
11594722263
122b0532b94
1317012bb16
14bca3a480
1575337aba
hex4ad44320

1255424800 has 288 divisors, whose sum is σ = 3690513792. Its totient is φ = 408084480.

The previous prime is 1255424783. The next prime is 1255424813. The reversal of 1255424800 is 84245521.

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 47 ways as a sum of consecutive naturals, for example, 15125559 + ... + 15125641.

It is an arithmetic number, because the mean of its divisors is an integer number (12814284).

Almost surely, 21255424800 is an apocalyptic number.

1255424800 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 1255424800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845256896).

1255424800 is an abundant number, since it is smaller than the sum of its proper divisors (2435088992).

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

1255424800 is a wasteful number, since it uses less digits than its factorization.

1255424800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 1255424800 is about 35431.9742605461. The cubic root of 1255424800 is about 1078.7734131275.

The spelling of 1255424800 in words is "one billion, two hundred fifty-five million, four hundred twenty-four thousand, eight hundred".