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3031025 = 52313911
BaseRepresentation
bin1011100011111111110001
312200222210012
423203333301
51233443100
6144544305
734522544
oct13437761
95628705
103031025
111790288
121022095
1382180a
1458c85b
153ed135
hex2e3ff1

3031025 has 12 divisors (see below), whose sum is σ = 3880704. Its totient is φ = 2346000.

The previous prime is 3031019. The next prime is 3031031. The reversal of 3031025 is 5201303.

It is an interprime number because it is at equal distance from previous prime (3031019) and next prime (3031031).

It is not a de Polignac number, because 3031025 - 212 = 3026929 is a prime.

It is a super-2 number, since 2×30310252 = 18374225101250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1181 + ... + 2730.

It is an arithmetic number, because the mean of its divisors is an integer number (323392).

Almost surely, 23031025 is an apocalyptic number.

It is an amenable number.

3031025 is a deficient number, since it is larger than the sum of its proper divisors (849679).

3031025 is a wasteful number, since it uses less digits than its factorization.

3031025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3031025 is about 1740.9839172146. The cubic root of 3031025 is about 144.7204284127.

Adding to 3031025 its reverse (5201303), we get a palindrome (8232328).

The spelling of 3031025 in words is "three million, thirty-one thousand, twenty-five".

Divisors: 1 5 25 31 155 775 3911 19555 97775 121241 606205 3031025