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42195706 = 278336313
BaseRepresentation
bin1010000011110…
…1101011111010
32221101202121221
42200331223322
541300230311
64104222254
71021441360
oct240755372
987352557
1042195706
1121900293
121216a98a
138985097
145865630
153a87671
hex283dafa

42195706 has 16 divisors (see below), whose sum is σ = 73209024. Its totient is φ = 17865504.

The previous prime is 42195697. The next prime is 42195709. The reversal of 42195706 is 60759124.

It is not an unprimeable number, because it can be changed into a prime (42195709) 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, 16995 + ... + 19318.

It is an arithmetic number, because the mean of its divisors is an integer number (4575564).

Almost surely, 242195706 is an apocalyptic number.

42195706 is a deficient number, since it is larger than the sum of its proper divisors (31013318).

42195706 is a wasteful number, since it uses less digits than its factorization.

42195706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36405.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 42195706 is about 6495.8221958425. The cubic root of 42195706 is about 348.1417322446.

The spelling of 42195706 in words is "forty-two million, one hundred ninety-five thousand, seven hundred six".

Divisors: 1 2 7 14 83 166 581 1162 36313 72626 254191 508382 3013979 6027958 21097853 42195706