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3240528480 = 253257417841
BaseRepresentation
bin1100000100100110…
…1000101001100000
322100211121220101100
43001021220221200
523114033402410
61253315434400
7143206015620
oct30111505140
98324556340
103240528480
111413215012
127652b5a00
133c848ba97
1422a538880
1513e7568c0
hexc1268a60

3240528480 has 288 divisors, whose sum is σ = 12947957568. Its totient is φ = 722534400.

The previous prime is 3240528427. The next prime is 3240528503. The reversal of 3240528480 is 848250423.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×32405284802 = 21002049659382220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 409360 + ... + 417200.

It is an arithmetic number, because the mean of its divisors is an integer number (44958186).

Almost surely, 23240528480 is an apocalyptic number.

3240528480 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 3240528480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6473978784).

3240528480 is an abundant number, since it is smaller than the sum of its proper divisors (9707429088).

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

3240528480 is a wasteful number, since it uses less digits than its factorization.

3240528480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910 (or 7899 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 3240528480 is about 56925.6399173518. The cubic root of 3240528480 is about 1479.8076935427.

The spelling of 3240528480 in words is "three billion, two hundred forty million, five hundred twenty-eight thousand, four hundred eighty".