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42416761 = 231844207
BaseRepresentation
bin1010000111001…
…1101001111001
32221210222212011
42201303221321
541324314021
64113045521
71023352012
oct241635171
987728764
1042416761
1121a41382
12122568a1
138a3189a
1458c2009
153accde1
hex2873a79

42416761 has 4 divisors (see below), whose sum is σ = 44260992. Its totient is φ = 40572532.

The previous prime is 42416753. The next prime is 42416767. The reversal of 42416761 is 16761424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42416761 - 23 = 42416753 is a prime.

It is a super-2 number, since 2×424167612 = 3598363227462242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42416767) 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, 922081 + ... + 922126.

It is an arithmetic number, because the mean of its divisors is an integer number (11065248).

Almost surely, 242416761 is an apocalyptic number.

It is an amenable number.

42416761 is a deficient number, since it is larger than the sum of its proper divisors (1844231).

42416761 is a wasteful number, since it uses less digits than its factorization.

42416761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844230.

The product of its digits is 8064, while the sum is 31.

The square root of 42416761 is about 6512.8151363293. The cubic root of 42416761 is about 348.7486223572.

The spelling of 42416761 in words is "forty-two million, four hundred sixteen thousand, seven hundred sixty-one".

Divisors: 1 23 1844207 42416761