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52103331 = 35730631
BaseRepresentation
bin1100011011000…
…0100010100011
310122001010100000
43012300202203
5101314301311
65100431043
71201604520
oct306604243
9118033300
1052103331
1127458005
1215548483
13aa43897
146cc4147
154893056
hex31b08a3

52103331 has 24 divisors (see below), whose sum is σ = 89200384. Its totient is φ = 29772360.

The previous prime is 52103327. The next prime is 52103341. The reversal of 52103331 is 13330125.

It is not a de Polignac number, because 52103331 - 22 = 52103327 is a prime.

It is a super-2 number, since 2×521033312 = 5429514202591122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52103321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13615 + ... + 17016.

Almost surely, 252103331 is an apocalyptic number.

52103331 is a deficient number, since it is larger than the sum of its proper divisors (37097053).

52103331 is an equidigital number, since it uses as much as digits as its factorization.

52103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30653 (or 30641 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 52103331 is about 7218.2637108934. The cubic root of 52103331 is about 373.4981855043.

Adding to 52103331 its reverse (13330125), we get a palindrome (65433456).

The spelling of 52103331 in words is "fifty-two million, one hundred three thousand, three hundred thirty-one".

Divisors: 1 3 7 9 21 27 63 81 189 243 567 1701 30631 91893 214417 275679 643251 827037 1929753 2481111 5789259 7443333 17367777 52103331