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3172961 = 11594889
BaseRepresentation
bin1100000110101001100001
312222012111002
430012221201
51303013321
6152001345
735653421
oct14065141
95865432
103172961
111877990
121090255
138712bc
145c8481
1542a20b
hex306a61

3172961 has 8 divisors (see below), whose sum is σ = 3520800. Its totient is φ = 2835040.

The previous prime is 3172957. The next prime is 3172973. The reversal of 3172961 is 1692713.

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 3172961 - 22 = 3172957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3172901) 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, 1796 + ... + 3093.

It is an arithmetic number, because the mean of its divisors is an integer number (440100).

Almost surely, 23172961 is an apocalyptic number.

It is an amenable number.

3172961 is a deficient number, since it is larger than the sum of its proper divisors (347839).

3172961 is a wasteful number, since it uses less digits than its factorization.

3172961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959.

The product of its digits is 2268, while the sum is 29.

The square root of 3172961 is about 1781.2807190334. The cubic root of 3172961 is about 146.9450332076.

The spelling of 3172961 in words is "three million, one hundred seventy-two thousand, nine hundred sixty-one".

Divisors: 1 11 59 649 4889 53779 288451 3172961