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3256250140 = 22511131398191
BaseRepresentation
bin1100001000010110…
…0110111100011100
322101221012122110001
43002011212330130
523132100001030
61255040424044
7143456445433
oct30205467434
98357178401
103256250140
111421082a20
1276a618024
133cb804a40
1422c66c11a
15140d0ecca
hexc2166f1c

3256250140 has 96 divisors (see below), whose sum is σ = 8092385280. Its totient is φ = 1085011200.

The previous prime is 3256250087. The next prime is 3256250161. The reversal of 3256250140 is 410526523.

It is a junction number, because it is equal to n+sod(n) for n = 3256250099 and 3256250108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393445 + ... + 401635.

It is an arithmetic number, because the mean of its divisors is an integer number (84295680).

Almost surely, 23256250140 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 3256250140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046192640).

3256250140 is an abundant number, since it is smaller than the sum of its proper divisors (4836135140).

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

3256250140 is a wasteful number, since it uses less digits than its factorization.

3256250140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363 (or 8361 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3256250140 is about 57063.5622792689. The cubic root of 3256250140 is about 1482.1969654004.

Adding to 3256250140 its reverse (410526523), we get a palindrome (3666776663).

The spelling of 3256250140 in words is "three billion, two hundred fifty-six million, two hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 139 143 220 260 278 286 556 572 695 715 1390 1430 1529 1807 2780 2860 3058 3614 6116 7228 7645 8191 9035 15290 16382 18070 19877 30580 32764 36140 39754 40955 79508 81910 90101 99385 106483 163820 180202 198770 212966 360404 397540 425932 450505 532415 901010 1064830 1138549 1171313 1802020 2129660 2277098 2342626 4554196 4685252 5692745 5856565 11385490 11713130 12524039 14801137 22770980 23426260 25048078 29602274 50096156 59204548 62620195 74005685 125240390 148011370 162812507 250480780 296022740 325625014 651250028 814062535 1628125070 3256250140