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530720357 = 1018396263
BaseRepresentation
bin11111101000100…
…010011001100101
31100222122101110112
4133220202121211
52041331022412
6124355102405
716103022446
oct3750423145
91328571415
10530720357
1125263a072
121298a1a05
1385c4cc1b
14506b12cd
15318d5722
hex1fa22665

530720357 has 8 divisors (see below), whose sum is σ = 536699520. Its totient is φ = 524755600.

The previous prime is 530720347. The next prime is 530720363. The reversal of 530720357 is 753027035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 530720357 - 210 = 530719333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530720347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81608 + ... + 87870.

It is an arithmetic number, because the mean of its divisors is an integer number (67087440).

Almost surely, 2530720357 is an apocalyptic number.

It is an amenable number.

530720357 is a deficient number, since it is larger than the sum of its proper divisors (5979163).

530720357 is a wasteful number, since it uses less digits than its factorization.

530720357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7203.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 530720357 is about 23037.3687082531. The cubic root of 530720357 is about 809.6337098103.

The spelling of 530720357 in words is "five hundred thirty million, seven hundred twenty thousand, three hundred fifty-seven".

Divisors: 1 101 839 6263 84739 632563 5254657 530720357