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42106711 = 311358281
BaseRepresentation
bin1010000010011…
…1111101010111
32221020020112211
42200213331113
541234403321
64102254251
71020621043
oct240477527
987206484
1042106711
112184a439
1212127387
13895371a
145841023
153a6b0e1
hex2827f57

42106711 has 4 divisors (see below), whose sum is σ = 43465024. Its totient is φ = 40748400.

The previous prime is 42106697. The next prime is 42106733. The reversal of 42106711 is 11760124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42106711 - 217 = 41975639 is a prime.

It is a super-2 number, since 2×421067112 = 3545950222475042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42206711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679110 + ... + 679171.

It is an arithmetic number, because the mean of its divisors is an integer number (10866256).

Almost surely, 242106711 is an apocalyptic number.

42106711 is a deficient number, since it is larger than the sum of its proper divisors (1358313).

42106711 is a wasteful number, since it uses less digits than its factorization.

42106711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358312.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 42106711 is about 6488.9684079983. The cubic root of 42106711 is about 347.8968046287.

Adding to 42106711 its reverse (11760124), we get a palindrome (53866835).

The spelling of 42106711 in words is "forty-two million, one hundred six thousand, seven hundred eleven".

Divisors: 1 31 1358281 42106711