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2002604660 = 225719971881
BaseRepresentation
bin111011101011101…
…0101001001110100
312011120020212010222
41313113111021310
513100131322120
6530414433512
7100424600360
oct16727251164
95146225128
102002604660
11938466581
1247a802898
1325bb79a94
1414dd762a0
15bac29525
hex775d5274

2002604660 has 48 divisors (see below), whose sum is σ = 4830470400. Its totient is φ = 683147520.

The previous prime is 2002604651. The next prime is 2002604677. The reversal of 2002604660 is 664062002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8081 + ... + 63800.

It is an arithmetic number, because the mean of its divisors is an integer number (100634800).

Almost surely, 22002604660 is an apocalyptic number.

2002604660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002604660 is an abundant number, since it is smaller than the sum of its proper divisors (2827865740).

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

2002604660 is a wasteful number, since it uses less digits than its factorization.

2002604660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72096 (or 72094 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2002604660 is about 44750.4710589732. The cubic root of 2002604660 is about 1260.4677569595.

Adding to 2002604660 its reverse (664062002), we get a palindrome (2666666662).

The spelling of 2002604660 in words is "two billion, two million, six hundred four thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 199 398 796 995 1393 1990 2786 3980 5572 6965 13930 27860 71881 143762 287524 359405 503167 718810 1006334 1437620 2012668 2515835 5031670 10063340 14304319 28608638 57217276 71521595 100130233 143043190 200260466 286086380 400520932 500651165 1001302330 2002604660