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42752272 = 2479149227
BaseRepresentation
bin1010001100010…
…1100100010000
32222110001002111
42203011210100
541421033042
64124155104
71026250123
oct243054420
988401074
1042752272
1122150462
1212398a94
138b1b504
14596c3ba
153b47517
hex28c5910

42752272 has 40 divisors (see below), whose sum is σ = 84816000. Its totient is φ = 20871552.

The previous prime is 42752251. The next prime is 42752273. The reversal of 42752272 is 27225724.

It is a super-2 number, since 2×427522722 = 3655513522323968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42752273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188223 + ... + 188449.

It is an arithmetic number, because the mean of its divisors is an integer number (2120400).

Almost surely, 242752272 is an apocalyptic number.

It is an amenable number.

42752272 is a deficient number, since it is larger than the sum of its proper divisors (42063728).

42752272 is a wasteful number, since it uses less digits than its factorization.

42752272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 457 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 42752272 is about 6538.5221571851. The cubic root of 42752272 is about 349.6657271077.

Adding to 42752272 its reverse (27225724), we get a palindrome (69977996).

The spelling of 42752272 in words is "forty-two million, seven hundred fifty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 79 149 158 227 298 316 454 596 632 908 1192 1264 1816 2384 3632 11771 17933 23542 33823 35866 47084 67646 71732 94168 135292 143464 188336 270584 286928 541168 2672017 5344034 10688068 21376136 42752272