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22725070 = 2541431289
BaseRepresentation
bin101011010110…
…0000111001110
31120202112221021
41112230013032
521304200240
62131024354
7364105564
oct126540716
946675837
1022725070
1111911755
12773b0ba
1349288b4
143037a34
151edd54a
hex15ac1ce

22725070 has 32 divisors (see below), whose sum is σ = 42910560. Its totient is φ = 8655360.

The previous prime is 22725023. The next prime is 22725097. The reversal of 22725070 is 7052722.

It is a super-3 number, since 3×227250703 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16986 + ... + 18274.

It is an arithmetic number, because the mean of its divisors is an integer number (1340955).

Almost surely, 222725070 is an apocalyptic number.

22725070 is a deficient number, since it is larger than the sum of its proper divisors (20185490).

22725070 is a wasteful number, since it uses less digits than its factorization.

22725070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 22725070 is about 4767.0819166446. The cubic root of 22725070 is about 283.2490160485.

Adding to 22725070 its reverse (7052722), we get a palindrome (29777792).

The spelling of 22725070 in words is "twenty-two million, seven hundred twenty-five thousand, seventy".

Divisors: 1 2 5 10 41 43 82 86 205 215 410 430 1289 1763 2578 3526 6445 8815 12890 17630 52849 55427 105698 110854 264245 277135 528490 554270 2272507 4545014 11362535 22725070