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706560161 = 2330720007
BaseRepresentation
bin101010000111010…
…100000010100001
31211020111222022212
4222013110002201
52421334411121
6154040011505
723336443106
oct5207240241
91736458285
10706560161
1133292011a
12178760b95
13b34c8348
1469ba4aad
154206b25b
hex2a1d40a1

706560161 has 4 divisors (see below), whose sum is σ = 737280192. Its totient is φ = 675840132.

The previous prime is 706560139. The next prime is 706560167. The reversal of 706560161 is 161065607.

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 706560161 - 226 = 639451297 is a prime.

It is a super-2 number, since 2×7065601612 = 998454522224691842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706560167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15359981 + ... + 15360026.

It is an arithmetic number, because the mean of its divisors is an integer number (184320048).

Almost surely, 2706560161 is an apocalyptic number.

It is an amenable number.

706560161 is a deficient number, since it is larger than the sum of its proper divisors (30720031).

706560161 is a wasteful number, since it uses less digits than its factorization.

706560161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30720030.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 706560161 is about 26581.1993897943. The cubic root of 706560161 is about 890.6690928674.

The spelling of 706560161 in words is "seven hundred six million, five hundred sixty thousand, one hundred sixty-one".

Divisors: 1 23 30720007 706560161