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1069441940 = 225767114013
BaseRepresentation
bin111111101111100…
…110001110010100
32202112100021112202
4333233212032110
54142234120230
6254041504032
735334051350
oct7757461624
92675307482
101069441940
114a9743616
1225a1a2018
131407419a8
14a2066460
1563d4ba45
hex3fbe6394

1069441940 has 48 divisors (see below), whose sum is σ = 2604991872. Its totient is φ = 361190016.

The previous prime is 1069441931. The next prime is 1069441943. The reversal of 1069441940 is 491449601.

It is a super-2 number, since 2×10694419402 = 2287412126061927200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069441894 and 1069441903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069441943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47627 + ... + 66386.

It is an arithmetic number, because the mean of its divisors is an integer number (54270664).

Almost surely, 21069441940 is an apocalyptic number.

1069441940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1069441940 is an abundant number, since it is smaller than the sum of its proper divisors (1535549932).

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

1069441940 is a wasteful number, since it uses less digits than its factorization.

1069441940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114096 (or 114094 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1069441940 is about 32702.3231590662. The cubic root of 1069441940 is about 1022.6312750036.

The spelling of 1069441940 in words is "one billion, sixty-nine million, four hundred forty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 134 140 268 335 469 670 938 1340 1876 2345 4690 9380 114013 228026 456052 570065 798091 1140130 1596182 2280260 3192364 3990455 7638871 7980910 15277742 15961820 30555484 38194355 53472097 76388710 106944194 152777420 213888388 267360485 534720970 1069441940