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1025005230 = 2325591371409
BaseRepresentation
bin111101000110000…
…101011010101110
32122102201122211200
4331012011122232
54044400131410
6245413230330
734254254304
oct7506053256
92572648750
101025005230
11486652667
122473323a6
13134483892
149a1ba274
155eec03c0
hex3d1856ae

1025005230 has 96 divisors (see below), whose sum is σ = 2731903200. Its totient is φ = 266551296.

The previous prime is 1025005229. The next prime is 1025005243. The reversal of 1025005230 is 325005201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726766 + ... + 728174.

It is an arithmetic number, because the mean of its divisors is an integer number (28457325).

Almost surely, 21025005230 is an apocalyptic number.

1025005230 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 1025005230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365951600).

1025005230 is an abundant number, since it is smaller than the sum of its proper divisors (1706897970).

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

1025005230 is a wasteful number, since it uses less digits than its factorization.

1025005230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1025005230 is about 32015.7028659375. The cubic root of 1025005230 is about 1008.2665524761.

The spelling of 1025005230 in words is "one billion, twenty-five million, five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 59 90 118 137 177 274 295 354 411 531 590 685 822 885 1062 1233 1370 1409 1770 2055 2466 2655 2818 4110 4227 5310 6165 7045 8083 8454 12330 12681 14090 16166 21135 24249 25362 40415 42270 48498 63405 72747 80830 83131 121245 126810 145494 166262 193033 242490 249393 363735 386066 415655 498786 579099 727470 748179 831310 965165 1158198 1246965 1496358 1737297 1930330 2493930 2895495 3474594 3740895 5790990 7481790 8686485 11388947 17372970 22777894 34166841 56944735 68333682 102500523 113889470 170834205 205001046 341668410 512502615 1025005230