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1027009530 = 23454792647
BaseRepresentation
bin111101001101101…
…110101111111010
32122120111111020000
4331031232233322
54100403301110
6245524213430
734310302611
oct7515565772
92576444200
101027009530
114877a1508
12247b3a276
13134a05c61
149a57c878
15602691c0
hex3d36ebfa

1027009530 has 80 divisors (see below), whose sum is σ = 2768325120. Its totient is φ = 273194208.

The previous prime is 1027009523. The next prime is 1027009553. The reversal of 1027009530 is 359007201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1027009494 and 1027009503.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 386667 + ... + 389313.

It is an arithmetic number, because the mean of its divisors is an integer number (34604064).

Almost surely, 21027009530 is an apocalyptic number.

1027009530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1027009530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384162560).

1027009530 is an abundant number, since it is smaller than the sum of its proper divisors (1741315590).

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

1027009530 is a wasteful number, since it uses less digits than its factorization.

1027009530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1027009530 is about 32046.9894061829. The cubic root of 1027009530 is about 1008.9233142876.

The spelling of 1027009530 in words is "one billion, twenty-seven million, nine thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 479 810 958 1437 2395 2647 2874 4311 4790 5294 7185 7941 8622 12933 13235 14370 15882 21555 23823 25866 26470 38799 39705 43110 47646 64665 71469 77598 79410 119115 129330 142938 193995 214407 238230 357345 387990 428814 714690 1072035 1267913 2144070 2535826 3803739 6339565 7607478 11411217 12679130 19018695 22822434 34233651 38037390 57056085 68467302 102700953 114112170 171168255 205401906 342336510 513504765 1027009530