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3133201 = 31531907
BaseRepresentation
bin1011111100111100010001
312220011221111
423330330101
51300230301
6151053321
735426461
oct13747421
95804844
103133201
111850025
121071241
13859186
145b7ba1
1541d551
hex2fcf11

3133201 has 8 divisors (see below), whose sum is σ = 3297024. Its totient is φ = 2973360.

The previous prime is 3133183. The next prime is 3133211. The reversal of 3133201 is 1023313.

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 3133201 - 211 = 3131153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3133211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (412128).

Almost surely, 23133201 is an apocalyptic number.

3133201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3133201 is the 1120-th centered pentagonal number.

It is an amenable number.

3133201 is a deficient number, since it is larger than the sum of its proper divisors (163823).

3133201 is a wasteful number, since it uses less digits than its factorization.

3133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3133201 is about 1770.0850262064. The cubic root of 3133201 is about 146.3286678336.

Adding to 3133201 its reverse (1023313), we get a palindrome (4156514).

The spelling of 3133201 in words is "three million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 31 53 1643 1907 59117 101071 3133201