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52195920 = 2435731069
BaseRepresentation
bin1100011100011…
…1001001010000
310122012211100020
43013013021100
5101330232140
65102423440
71202441460
oct307071120
9118184306
1052195920
1127510627
1215591b80
13aa76a7a
146d09ba0
1548b06d0
hex31c7250

52195920 has 80 divisors (see below), whose sum is σ = 184928640. Its totient is φ = 11930112.

The previous prime is 52195883. The next prime is 52195939. The reversal of 52195920 is 2959125.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13855 + ... + 17214.

It is an arithmetic number, because the mean of its divisors is an integer number (2311608).

Almost surely, 252195920 is an apocalyptic number.

It is an amenable number.

52195920 is an abundant number, since it is smaller than the sum of its proper divisors (132732720).

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

52195920 is a wasteful number, since it uses less digits than its factorization.

52195920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31092 (or 31086 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 52195920 is about 7224.6743871264. The cubic root of 52195920 is about 373.7192933091.

The spelling of 52195920 in words is "fifty-two million, one hundred ninety-five thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 31069 62138 93207 124276 155345 186414 217483 248552 310690 372828 434966 466035 497104 621380 652449 745656 869932 932070 1087415 1242760 1304898 1491312 1739864 1864140 2174830 2485520 2609796 3262245 3479728 3728280 4349660 5219592 6524490 7456560 8699320 10439184 13048980 17398640 26097960 52195920