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31141604 = 2213598877
BaseRepresentation
bin111011011001…
…0111011100100
32011121011020202
41312302323210
530433012404
63031250032
7525461564
oct166627344
964534222
1031141604
111664016a
12a519918
1365b47b0
1441c8da4
152b0221e
hex1db2ee4

31141604 has 12 divisors (see below), whose sum is σ = 58690044. Its totient is φ = 14373024.

The previous prime is 31141597. The next prime is 31141613. The reversal of 31141604 is 40614113.

It can be written as a sum of positive squares in 2 ways, for example, as 11356900 + 19784704 = 3370^2 + 4448^2 .

It is a super-3 number, since 3×311416043 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299387 + ... + 299490.

It is an arithmetic number, because the mean of its divisors is an integer number (4890837).

Almost surely, 231141604 is an apocalyptic number.

It is an amenable number.

31141604 is a deficient number, since it is larger than the sum of its proper divisors (27548440).

31141604 is a wasteful number, since it uses less digits than its factorization.

31141604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598894 (or 598892 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 31141604 is about 5580.4662887612. The cubic root of 31141604 is about 314.6156528388.

Adding to 31141604 its reverse (40614113), we get a palindrome (71755717).

The spelling of 31141604 in words is "thirty-one million, one hundred forty-one thousand, six hundred four".

Divisors: 1 2 4 13 26 52 598877 1197754 2395508 7785401 15570802 31141604