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530477997 = 3790727851
BaseRepresentation
bin11111100111100…
…111001110101101
31100222012002000020
4133213213032231
52041300243442
6124345552353
716100663040
oct3747471655
91328162006
10530477997
11252493a75
121297a56b9
1385b9680a
145064ac57
15318889ec
hex1f9e73ad

530477997 has 16 divisors (see below), whose sum is σ = 809267712. Its totient is φ = 302785200.

The previous prime is 530477993. The next prime is 530478001. The reversal of 530477997 is 799774035.

It is an interprime number because it is at equal distance from previous prime (530477993) and next prime (530478001).

It is not a de Polignac number, because 530477997 - 22 = 530477993 is a prime.

It is a super-2 number, since 2×5304779972 = 562813810602264018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530477993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5122 + ... + 32972.

It is an arithmetic number, because the mean of its divisors is an integer number (50579232).

Almost surely, 2530477997 is an apocalyptic number.

It is an amenable number.

530477997 is a deficient number, since it is larger than the sum of its proper divisors (278789715).

530477997 is a wasteful number, since it uses less digits than its factorization.

530477997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28768.

The product of its (nonzero) digits is 1666980, while the sum is 51.

The square root of 530477997 is about 23032.1079582395. The cubic root of 530477997 is about 809.5104479707.

The spelling of 530477997 in words is "five hundred thirty million, four hundred seventy-seven thousand, nine hundred ninety-seven".

Divisors: 1 3 7 21 907 2721 6349 19047 27851 83553 194957 584871 25260857 75782571 176825999 530477997