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3270345640 = 235372209693
BaseRepresentation
bin1100001011101101…
…1000001110101000
322102220201202211121
43002323120032220
523144202030030
61300302505024
7144020323252
oct30273301650
98386652747
103270345640
1114290300a1
12773295174
134016cb783
1423049acd2
1514219647a
hexc2ed83a8

3270345640 has 32 divisors (see below), whose sum is σ = 7557153480. Its totient is φ = 1272782592.

The previous prime is 3270345629. The next prime is 3270345653. The reversal of 3270345640 is 465430723.

It can be written as a sum of positive squares in 4 ways, for example, as 3245125156 + 25220484 = 56966^2 + 5022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3270345596 and 3270345605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103367 + ... + 1106326.

Almost surely, 23270345640 is an apocalyptic number.

It is an amenable number.

3270345640 is an abundant number, since it is smaller than the sum of its proper divisors (4286807840).

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

3270345640 is a wasteful number, since it uses less digits than its factorization.

3270345640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209741 (or 2209737 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 3270345640 is about 57186.9359207153. The cubic root of 3270345640 is about 1484.3325746486.

The spelling of 3270345640 in words is "three billion, two hundred seventy million, three hundred forty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 2209693 4419386 8838772 11048465 17677544 22096930 44193860 81758641 88387720 163517282 327034564 408793205 654069128 817586410 1635172820 3270345640