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2001529250 = 25372939439
BaseRepresentation
bin111011101001100…
…1110100110100010
312011111020012221222
41313103032212202
513044342414000
6530335415042
7100412501150
oct16723164642
95144205858
102001529250
119378a1606
1247a384482
1325b891446
1414db763d0
15baab5a85
hex774ce9a2

2001529250 has 64 divisors (see below), whose sum is σ = 4429900800. Its totient is φ = 662558400.

The previous prime is 2001529241. The next prime is 2001529261. The reversal of 2001529250 is 529251002.

It is a super-2 number, since 2×20015292502 = 8012238677211125000, 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 31 ways as a sum of consecutive naturals, for example, 31031 + ... + 70469.

It is an arithmetic number, because the mean of its divisors is an integer number (69217200).

Almost surely, 22001529250 is an apocalyptic number.

2001529250 is an abundant number, since it is smaller than the sum of its proper divisors (2428371550).

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

2001529250 is a wasteful number, since it uses less digits than its factorization.

2001529250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39492 (or 39482 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2001529250 is about 44738.4538177170. The cubic root of 2001529250 is about 1260.2420904611.

The spelling of 2001529250 in words is "two billion, one million, five hundred twenty-nine thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 29 35 50 58 70 125 145 175 203 250 290 350 406 725 875 1015 1450 1750 2030 3625 5075 7250 10150 25375 39439 50750 78878 197195 276073 394390 552146 985975 1143731 1380365 1971950 2287462 2760730 4929875 5718655 6901825 8006117 9859750 11437310 13803650 16012234 28593275 34509125 40030585 57186550 69018250 80061170 142966375 200152925 285932750 400305850 1000764625 2001529250