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530490940 = 22573789221
BaseRepresentation
bin11111100111101…
…010011000111100
31100222012201202121
4133213222120330
52041301202230
6124350132324
716101045550
oct3747523074
91328181677
10530490940
112524a2771
121297b10a4
1385b9c685
1450651860
153188c77a
hex1f9ea63c

530490940 has 24 divisors (see below), whose sum is σ = 1273178592. Its totient is φ = 181882560.

The previous prime is 530490937. The next prime is 530490971. The reversal of 530490940 is 49094035.

It is a junction number, because it is equal to n+sod(n) for n = 530490896 and 530490905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894471 + ... + 1894750.

It is an arithmetic number, because the mean of its divisors is an integer number (53049108).

Almost surely, 2530490940 is an apocalyptic number.

It is an amenable number.

530490940 is an abundant number, since it is smaller than the sum of its proper divisors (742687652).

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

530490940 is a wasteful number, since it uses less digits than its factorization.

530490940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789237 (or 3789235 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 530490940 is about 23032.3889338470. The cubic root of 530490940 is about 809.5170315981.

The spelling of 530490940 in words is "five hundred thirty million, four hundred ninety thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3789221 7578442 15156884 18946105 26524547 37892210 53049094 75784420 106098188 132622735 265245470 530490940