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3130302240 = 2533513139401
BaseRepresentation
bin1011101010010100…
…1001111100100000
322002011012211102000
42322211021330200
522402324132430
61234341124000
7140400062412
oct27245117440
98064184360
103130302240
111366a7944a
127343b9600
133ab6a7760
14219a449b2
15134c31e60
hexba949f20

3130302240 has 384 divisors, whose sum is σ = 11913350400. Its totient is φ = 763084800.

The previous prime is 3130302239. The next prime is 3130302341. The reversal of 3130302240 is 422030313.

It is a super-2 number, since 2×31303022402 = 19597584227498035200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7806040 + ... + 7806440.

It is an arithmetic number, because the mean of its divisors is an integer number (31024350).

Almost surely, 23130302240 is an apocalyptic number.

3130302240 is a gapful number since it is divisible by the number (30) 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 3130302240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5956675200).

3130302240 is an abundant number, since it is smaller than the sum of its proper divisors (8783048160).

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

3130302240 is a wasteful number, since it uses less digits than its factorization.

3130302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3130302240 is about 55949.1040142735. The cubic root of 3130302240 is about 1462.8352735611.

Adding to 3130302240 its reverse (422030313), we get a palindrome (3552332553).

The spelling of 3130302240 in words is "three billion, one hundred thirty million, three hundred two thousand, two hundred forty".