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42136395 = 3571921121
BaseRepresentation
bin1010000010111…
…1001101001011
32221021202021020
42200233031023
541241331040
64103043523
71021103430
oct240571513
987252236
1042136395
112186a774
12121405a3
1389640a2
14584bb87
153a74cd0
hex282f34b

42136395 has 32 divisors (see below), whose sum is σ = 81108480. Its totient is φ = 18247680.

The previous prime is 42136379. The next prime is 42136439. The reversal of 42136395 is 59363124.

42136395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42136395 - 24 = 42136379 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 8566 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (2534640).

Almost surely, 242136395 is an apocalyptic number.

42136395 is a deficient number, since it is larger than the sum of its proper divisors (38972085).

42136395 is a wasteful number, since it uses less digits than its factorization.

42136395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21155.

The product of its digits is 19440, while the sum is 33.

The square root of 42136395 is about 6491.2552715172. The cubic root of 42136395 is about 347.9785377833.

The spelling of 42136395 in words is "forty-two million, one hundred thirty-six thousand, three hundred ninety-five".

Divisors: 1 3 5 7 15 19 21 35 57 95 105 133 285 399 665 1995 21121 63363 105605 147847 316815 401299 443541 739235 1203897 2006495 2217705 2809093 6019485 8427279 14045465 42136395