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4205172144 = 243293020957
BaseRepresentation
bin1111101010100101…
…1101010110110000
3101212001202212201110
43322221131112300
532103011002034
61533135233320
7206131242045
oct37251352660
911761685643
104205172144
11186878a088
12994378840
13520299c54
142bc6c11cc
151992a1de9
hexfaa5d5b0

4205172144 has 40 divisors (see below), whose sum is σ = 11237963760. Its totient is φ = 1353388288.

The previous prime is 4205172089. The next prime is 4205172151. The reversal of 4205172144 is 4412715024.

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, 1509087 + ... + 1511870.

It is an arithmetic number, because the mean of its divisors is an integer number (280949094).

Almost surely, 24205172144 is an apocalyptic number.

It is an amenable number.

4205172144 is an abundant number, since it is smaller than the sum of its proper divisors (7032791616).

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

4205172144 is a wasteful number, since it uses less digits than its factorization.

4205172144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020997 (or 3020991 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4205172144 is about 64847.2986638611. The cubic root of 4205172144 is about 1614.0906668309.

Adding to 4205172144 its reverse (4412715024), we get a palindrome (8617887168).

The spelling of 4205172144 in words is "four billion, two hundred five million, one hundred seventy-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 3020957 6041914 9062871 12083828 18125742 24167656 36251484 48335312 72502968 87607753 145005936 175215506 262823259 350431012 525646518 700862024 1051293036 1401724048 2102586072 4205172144