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5445135220 = 2257181214883
BaseRepresentation
bin1010001001000111…
…00010101101110100
3112001110222112021211
411010203202231310
542122423311340
62300152051204
7251635612540
oct50443425564
915043875254
105445135220
112344700758
12107b693b04
1368a144205
14399254a20
1521d0835ea
hex1448e2b74

5445135220 has 48 divisors (see below), whose sum is σ = 13140586368. Its totient is φ = 1856580480.

The previous prime is 5445135217. The next prime is 5445135239. The reversal of 5445135220 is 225315445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82102 + ... + 132781.

It is an arithmetic number, because the mean of its divisors is an integer number (273762216).

Almost surely, 25445135220 is an apocalyptic number.

It is an amenable number.

5445135220 is an abundant number, since it is smaller than the sum of its proper divisors (7695451148).

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

5445135220 is a wasteful number, since it uses less digits than its factorization.

5445135220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215080 (or 215078 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5445135220 is about 73791.1594975984. The cubic root of 5445135220 is about 1759.2850940306.

The spelling of 5445135220 in words is "five billion, four hundred forty-five million, one hundred thirty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 181 362 724 905 1267 1810 2534 3620 5068 6335 12670 25340 214883 429766 859532 1074415 1504181 2148830 3008362 4297660 6016724 7520905 15041810 30083620 38893823 77787646 155575292 194469115 272256761 388938230 544513522 777876460 1089027044 1361283805 2722567610 5445135220