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1054305440 = 255192911959
BaseRepresentation
bin111110110101110…
…110110010100000
32201110212021011122
4332311312302200
54124400233230
6252341231412
735061306536
oct7665666240
92643767148
101054305440
114a1145311
12255102568
1313a572196
14a0046156
156285bbe5
hex3ed76ca0

1054305440 has 96 divisors (see below), whose sum is σ = 2712528000. Its totient is φ = 385717248.

The previous prime is 1054305407. The next prime is 1054305451. The reversal of 1054305440 is 445034501.

It is a super-2 number, since 2×10543054402 = 2223119921627187200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 82181 + ... + 94139.

It is an arithmetic number, because the mean of its divisors is an integer number (28255500).

Almost surely, 21054305440 is an apocalyptic number.

1054305440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1054305440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356264000).

1054305440 is an abundant number, since it is smaller than the sum of its proper divisors (1658222560).

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

1054305440 is a wasteful number, since it uses less digits than its factorization.

1054305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12022 (or 12014 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1054305440 is about 32470.0699106115. The cubic root of 1054305440 is about 1017.7836793317.

Adding to 1054305440 its reverse (445034501), we get a palindrome (1499339941).

The spelling of 1054305440 in words is "one billion, fifty-four million, three hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 29 32 38 40 58 76 80 95 116 145 152 160 190 232 290 304 380 464 551 580 608 760 928 1102 1160 1520 2204 2320 2755 3040 4408 4640 5510 8816 11020 11959 17632 22040 23918 44080 47836 59795 88160 95672 119590 191344 227221 239180 346811 382688 454442 478360 693622 908884 956720 1136105 1387244 1734055 1817768 1913440 2272210 2774488 3468110 3635536 4544420 5548976 6589409 6936220 7271072 9088840 11097952 13178818 13872440 18177680 26357636 27744880 32947045 36355360 52715272 55489760 65894090 105430544 131788180 210861088 263576360 527152720 1054305440