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3240531424 = 25137789739
BaseRepresentation
bin1100000100100110…
…1001010111100000
322100211122001102101
43001021221113200
523114034001144
61253315500144
7143206030324
oct30111512740
98324561371
103240531424
111413217249
127652b7654
133c8490220
1422a539984
1513e7576d4
hexc12695e0

3240531424 has 24 divisors (see below), whose sum is σ = 6870550680. Its totient is φ = 1495629696.

The previous prime is 3240531421. The next prime is 3240531461. The reversal of 3240531424 is 4241350423.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3240531392 and 3240531401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240531421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3894454 + ... + 3895285.

It is an arithmetic number, because the mean of its divisors is an integer number (286272945).

Almost surely, 23240531424 is an apocalyptic number.

It is an amenable number.

3240531424 is an abundant number, since it is smaller than the sum of its proper divisors (3630019256).

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

3240531424 is a wasteful number, since it uses less digits than its factorization.

3240531424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789762 (or 7789754 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3240531424 is about 56925.6657756411. The cubic root of 3240531424 is about 1479.8081416746.

Adding to 3240531424 its reverse (4241350423), we get a palindrome (7481881847).

The spelling of 3240531424 in words is "three billion, two hundred forty million, five hundred thirty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 7789739 15579478 31158956 62317912 101266607 124635824 202533214 249271648 405066428 810132856 1620265712 3240531424