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3225213145 = 57118377177
BaseRepresentation
bin1100000000111100…
…1101100011011001
322022202210210200201
43000033031203121
523101123310040
61252011302201
7142631600530
oct30017154331
98282723621
103225213145
111405604410
1276014a961
133c5258a5b
142284ad317
1513d22da9a
hexc03cd8d9

3225213145 has 16 divisors (see below), whose sum is σ = 4825254528. Its totient is φ = 2010522240.

The previous prime is 3225213143. The next prime is 3225213169. The reversal of 3225213145 is 5413125223.

It is not a de Polignac number, because 3225213145 - 21 = 3225213143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225213143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4188204 + ... + 4188973.

It is an arithmetic number, because the mean of its divisors is an integer number (301578408).

Almost surely, 23225213145 is an apocalyptic number.

3225213145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3225213145 is a deficient number, since it is larger than the sum of its proper divisors (1600041383).

3225213145 is a wasteful number, since it uses less digits than its factorization.

3225213145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377200.

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

The square root of 3225213145 is about 56790.9600640806. The cubic root of 3225213145 is about 1477.4727298580.

Adding to 3225213145 its reverse (5413125223), we get a palindrome (8638338368).

The spelling of 3225213145 in words is "three billion, two hundred twenty-five million, two hundred thirteen thousand, one hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 8377177 41885885 58640239 92148947 293201195 460744735 645042629 3225213145