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1025234844 = 2231723353619
BaseRepresentation
bin111101000110111…
…101011110011100
32122110011022210220
4331012331132130
54044430003334
6245422201340
734256231604
oct7506753634
92573138726
101025234844
1148679a127
12247423250
1313453424a
149a239c04
1560018449
hex3d1bd79c

1025234844 has 96 divisors (see below), whose sum is σ = 2654830080. Its totient is φ = 306290688.

The previous prime is 1025234839. The next prime is 1025234891. The reversal of 1025234844 is 4484325201.

It is a super-2 number, since 2×10252348442 = 2102212970703408672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1655967 + ... + 1656585.

It is an arithmetic number, because the mean of its divisors is an integer number (27654480).

Almost surely, 21025234844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025234844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327415040).

1025234844 is an abundant number, since it is smaller than the sum of its proper divisors (1629595236).

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

1025234844 is a wasteful number, since it uses less digits than its factorization.

1025234844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 1025234844 is about 32019.2886242028. The cubic root of 1025234844 is about 1008.3418349639.

The spelling of 1025234844 in words is "one billion, twenty-five million, two hundred thirty-four thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 68 69 92 102 138 204 276 353 391 619 706 782 1059 1173 1238 1412 1564 1857 2118 2346 2476 3714 4236 4692 6001 7428 8119 10523 12002 14237 16238 18003 21046 24004 24357 28474 31569 32476 36006 42092 42711 48714 56948 63138 72012 85422 97428 126276 138023 170844 218507 242029 276046 414069 437014 484058 552092 655521 726087 828138 874028 968116 1311042 1452174 1656276 2622084 2904348 3714619 5025661 7429238 10051322 11143857 14858476 15076983 20102644 22287714 30153966 44575428 60307932 85436237 170872474 256308711 341744948 512617422 1025234844