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4023002145 = 351719830341
BaseRepresentation
bin1110111111001010…
…0010010000100001
3101101100222200110110
43233302202100201
531214342032040
61503110521533
7201456645141
oct35762422041
911340880413
104023002145
111784975068
129433662a9
134c1616456
142a2420921
151882ba980
hexefca2421

4023002145 has 32 divisors (see below), whose sum is σ = 7174154880. Its totient is φ = 1913103360.

The previous prime is 4023002141. The next prime is 4023002189. The reversal of 4023002145 is 5412003204.

It is not a de Polignac number, because 4023002145 - 22 = 4023002141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4023002141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410326 + ... + 420015.

It is an arithmetic number, because the mean of its divisors is an integer number (224192340).

Almost surely, 24023002145 is an apocalyptic number.

It is an amenable number.

4023002145 is a deficient number, since it is larger than the sum of its proper divisors (3151152735).

4023002145 is a wasteful number, since it uses less digits than its factorization.

4023002145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830385.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4023002145 is about 63427.1404447654. The cubic root of 4023002145 is about 1590.4380403796.

Adding to 4023002145 its reverse (5412003204), we get a palindrome (9435005349).

The spelling of 4023002145 in words is "four billion, twenty-three million, two thousand, one hundred forty-five".

Divisors: 1 3 5 15 17 19 51 57 85 95 255 285 323 969 1615 4845 830341 2491023 4151705 12455115 14115797 15776479 42347391 47329437 70578985 78882395 211736955 236647185 268200143 804600429 1341000715 4023002145