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3230145155 = 55327414447
BaseRepresentation
bin1100000010001000…
…0001101010000011
322100010002101010202
43000202001222003
523103404121110
61252305115415
7143021531546
oct30042015203
98303071122
103230145155
111408372956
12761928b6b
133c62948c3
14228dd485d
1513d8a50a5
hexc0881a83

3230145155 has 16 divisors (see below), whose sum is σ = 3951638784. Its totient is φ = 2533864320.

The previous prime is 3230145151. The next prime is 3230145169. The reversal of 3230145155 is 5515410323.

It is not a de Polignac number, because 3230145155 - 22 = 3230145151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3230145151) 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, 724142 + ... + 728588.

It is an arithmetic number, because the mean of its divisors is an integer number (246977424).

Almost surely, 23230145155 is an apocalyptic number.

3230145155 is a deficient number, since it is larger than the sum of its proper divisors (721493629).

3230145155 is a wasteful number, since it uses less digits than its factorization.

3230145155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 3230145155 is about 56834.3659681359. The cubic root of 3230145155 is about 1478.2254655390.

Adding to 3230145155 its reverse (5515410323), we get a palindrome (8745555478).

The spelling of 3230145155 in words is "three billion, two hundred thirty million, one hundred forty-five thousand, one hundred fifty-five".

Divisors: 1 5 53 265 2741 4447 13705 22235 145273 235691 726365 1178455 12189227 60946135 646029031 3230145155