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5272357321 = 72112232412
BaseRepresentation
bin1001110100100000…
…11100100111001001
3111121102212111120101
410322100130213021
541244210413241
62231100525401
7244440204100
oct47220344711
914542774511
105272357321
112266121100
121031850861
136603cb67a
1438031b037
1520cd04e31
hex13a41c9c9

5272357321 has 81 divisors (see below), whose sum is σ = 7223320839. Its totient is φ = 3833860800.

The previous prime is 5272357297. The next prime is 5272357327. The reversal of 5272357321 is 1237532725.

The square root of 5272357321 is 72611.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 254051721 + 5018305600 = 15939^2 + 70840^2 .

It is not a de Polignac number, because 5272357321 - 25 = 5272357289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5272357327) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 128594061 + ... + 128594101.

Almost surely, 25272357321 is an apocalyptic number.

5272357321 is the 72611-st square number.

5272357321 is the 36306-th centered octagonal number.

It is an amenable number.

5272357321 is a deficient number, since it is larger than the sum of its proper divisors (1950963518).

5272357321 is a wasteful number, since it uses less digits than its factorization.

5272357321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 82 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The cubic root of 5272357321 is about 1740.4769601212.

The spelling of 5272357321 in words is "five billion, two hundred seventy-two million, three hundred fifty-seven thousand, three hundred twenty-one".

Divisors: 1 7 11 23 41 49 77 121 161 253 287 451 529 539 847 943 1127 1681 1771 2009 2783 3157 3703 4961 5819 5929 6601 10373 11767 12397 18491 19481 21689 22099 25921 34727 38663 40733 46207 64009 72611 82369 114103 129437 136367 151823 203401 238579 243089 270641 285131 425293 448063 508277 798721 889249 906059 1062761 1423807 1670053 1894487 2624369 2977051 3136441 4678223 5591047 6224743 9781739 9966649 11690371 18370583 20839357 32747561 43573201 68472173 107599129 128594081 229232927 479305211 753193903 5272357321