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4223172608 = 2153592
BaseRepresentation
bin1111101110111000…
…1000000000000000
3101220022122101201022
43323232020000000
532122113010413
61535021125012
7206440242404
oct37356100000
911808571638
104223172608
1118779640a6
1299a3b9768
13523c30205
142c0c49104
1519ab5a608
hexfbb88000

4223172608 has 48 divisors (see below), whose sum is σ = 8469808935. Its totient is φ = 2105704448.

The previous prime is 4223172607. The next prime is 4223172619. The reversal of 4223172608 is 8062713224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2111586304 + 2111586304 = 45952^2 + 45952^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=45952.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4223172601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11763533 + ... + 11763891.

Almost surely, 24223172608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223172608

4223172608 is an abundant number, since it is smaller than the sum of its proper divisors (4246636327).

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

4223172608 is an frugal number, since it uses more digits than its factorization.

4223172608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 4223172608 is about 64985.9416181685. The cubic root of 4223172608 is about 1616.3904555972.

The spelling of 4223172608 in words is "four billion, two hundred twenty-three million, one hundred seventy-two thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 64 128 256 359 512 718 1024 1436 2048 2872 4096 5744 8192 11488 16384 22976 32768 45952 91904 128881 183808 257762 367616 515524 735232 1031048 1470464 2062096 2940928 4124192 5881856 8248384 11763712 16496768 32993536 65987072 131974144 263948288 527896576 1055793152 2111586304 4223172608