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61067117 = 311969907
BaseRepresentation
bin1110100011110…
…0111101101101
311020220112100002
43220330331231
5111113121432
610020514045
71341030146
oct350747555
9136815302
1061067117
113151a6a1
121854b925
13c8618b7
148178acd
155563e62
hex3a3cf6d

61067117 has 4 divisors (see below), whose sum is σ = 63037056. Its totient is φ = 59097180.

The previous prime is 61067113. The next prime is 61067119. The reversal of 61067117 is 71176016.

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 61067117 - 22 = 61067113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61067117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61067113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984923 + ... + 984984.

It is an arithmetic number, because the mean of its divisors is an integer number (15759264).

Almost surely, 261067117 is an apocalyptic number.

It is an amenable number.

61067117 is a deficient number, since it is larger than the sum of its proper divisors (1969939).

61067117 is a wasteful number, since it uses less digits than its factorization.

61067117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969938.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 61067117 is about 7814.5452202927. The cubic root of 61067117 is about 393.7940401903.

The spelling of 61067117 in words is "sixty-one million, sixty-seven thousand, one hundred seventeen".

Divisors: 1 31 1969907 61067117