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1520053470 = 2325131776423
BaseRepresentation
bin101101010011010…
…0010110011011110
310220221020201100200
41122212202303132
511103113202340
6410500004330
752445145525
oct13246426336
93827221320
101520053470
11710037741
123650906a6
131b2bc3b30
14105c434bc
158d6ab330
hex5a9a2cde

1520053470 has 96 divisors (see below), whose sum is σ = 4506570432. Its totient is φ = 352152576.

The previous prime is 1520053439. The next prime is 1520053481. The reversal of 1520053470 is 743500251.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18322 + ... + 58101.

It is an arithmetic number, because the mean of its divisors is an integer number (46943442).

Almost surely, 21520053470 is an apocalyptic number.

1520053470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520053470 is an abundant number, since it is smaller than the sum of its proper divisors (2986516962).

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

1520053470 is a wasteful number, since it uses less digits than its factorization.

1520053470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76466 (or 76463 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1520053470 is about 38987.8631114864. The cubic root of 1520053470 is about 1149.7928978031.

The spelling of 1520053470 in words is "one billion, five hundred twenty million, fifty-three thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 17 18 26 30 34 39 45 51 65 78 85 90 102 117 130 153 170 195 221 234 255 306 390 442 510 585 663 765 1105 1170 1326 1530 1989 2210 3315 3978 6630 9945 19890 76423 152846 229269 382115 458538 687807 764230 993499 1146345 1299191 1375614 1986998 2292690 2598382 2980497 3439035 3897573 4967495 5960994 6495955 6878070 7795146 8941491 9934990 11692719 12991910 14902485 16889483 17882982 19487865 23385438 29804970 33778966 38975730 44707455 50668449 58463595 84447415 89414910 101336898 116927190 152005347 168894830 253342245 304010694 506684490 760026735 1520053470