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3161073 = 31053691
BaseRepresentation
bin1100000011101111110001
312221121011210
430003233301
51302123243
6151430333
735603646
oct14035761
95847153
103161073
111869a63
1210853a9
13868a76
145c3dcd
15426933
hex303bf1

3161073 has 4 divisors (see below), whose sum is σ = 4214768. Its totient is φ = 2107380.

The previous prime is 3161071. The next prime is 3161089. The reversal of 3161073 is 3701613.

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 not a de Polignac number, because 3161073 - 21 = 3161071 is a prime.

It is a super-2 number, since 2×31610732 = 19984765022658, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161071) 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, 526843 + ... + 526848.

It is an arithmetic number, because the mean of its divisors is an integer number (1053692).

Almost surely, 23161073 is an apocalyptic number.

It is an amenable number.

3161073 is a deficient number, since it is larger than the sum of its proper divisors (1053695).

3161073 is a wasteful number, since it uses less digits than its factorization.

3161073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053694.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 3161073 is about 1777.9406626769. The cubic root of 3161073 is about 146.7612859377.

Adding to 3161073 its reverse (3701613), we get a palindrome (6862686).

The spelling of 3161073 in words is "three million, one hundred sixty-one thousand, seventy-three".

Divisors: 1 3 1053691 3161073