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3404042161 = 131237211681
BaseRepresentation
bin1100101011100101…
…1000111110110001
322210020022020222121
43022321120332301
523432413322121
61321440234241
7150232611112
oct31271307661
98706266877
103404042161
111497547293
127b000b981
1342330c940
14244140209
1514dca5141
hexcae58fb1

3404042161 has 8 divisors (see below), whose sum is σ = 3668872424. Its totient is φ = 3139637760.

The previous prime is 3404042137. The next prime is 3404042167. The reversal of 3404042161 is 1612404043.

It can be written as a sum of positive squares in 4 ways, for example, as 1427706225 + 1976335936 = 37785^2 + 44456^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3404042161 - 221 = 3401945009 is a prime.

It is a super-3 number, since 3×34040421613 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3404042167) 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, 89760 + ... + 121921.

It is an arithmetic number, because the mean of its divisors is an integer number (458609053).

Almost surely, 23404042161 is an apocalyptic number.

It is an amenable number.

3404042161 is a deficient number, since it is larger than the sum of its proper divisors (264830263).

3404042161 is a wasteful number, since it uses less digits than its factorization.

3404042161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212931.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3404042161 is about 58344.1698972571. The cubic root of 3404042161 is about 1504.2902597854.

The spelling of 3404042161 in words is "three billion, four hundred four million, forty-two thousand, one hundred sixty-one".

Divisors: 1 13 1237 16081 211681 2751853 261849397 3404042161