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2504839680 = 29335731167
BaseRepresentation
bin1001010101001100…
…1101001000000000
320110120022001002000
42111103031020000
520112214332210
61052315224000
7116033533410
oct22523151000
96416261060
102504839680
111075a0a142
1259aa48000
1330bc35275
1419a950640
15e9d84ac0
hex954cd200

2504839680 has 640 divisors, whose sum is σ = 10559324160. Its totient is φ = 550748160.

The previous prime is 2504839663. The next prime is 2504839681. The reversal of 2504839680 is 869384052.

2504839680 is a `hidden beast` number, since 2 + 5 + 0 + 483 + 96 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504839681) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 14998957 + ... + 14999123.

It is an arithmetic number, because the mean of its divisors is an integer number (16498944).

Almost surely, 22504839680 is an apocalyptic number.

2504839680 is a gapful number since it is divisible by the number (20) 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 2504839680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5279662080).

2504839680 is an abundant number, since it is smaller than the sum of its proper divisors (8054484480).

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

2504839680 is a wasteful number, since it uses less digits than its factorization.

2504839680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2504839680 is about 50048.3734001416. The cubic root of 2504839680 is about 1358.0840379394.

The spelling of 2504839680 in words is "two billion, five hundred four million, eight hundred thirty-nine thousand, six hundred eighty".