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52703431 = 114791221
BaseRepresentation
bin1100100100001…
…1000011000111
310200011121111221
43021003003013
5101443002211
65121341211
71206654214
oct311030307
9120147457
1052703431
1127827960
1215797807
13abc3a81
146ddcb0b
154960c71
hex32430c7

52703431 has 4 divisors (see below), whose sum is σ = 57494664. Its totient is φ = 47912200.

The previous prime is 52703407. The next prime is 52703437. The reversal of 52703431 is 13430725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52703431 - 213 = 52695239 is a prime.

It is a super-2 number, since 2×527034312 = 5555303278343522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52703396 and 52703405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52703437) 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 3 ways as a sum of consecutive naturals, for example, 2395600 + ... + 2395621.

It is an arithmetic number, because the mean of its divisors is an integer number (14373666).

Almost surely, 252703431 is an apocalyptic number.

52703431 is a deficient number, since it is larger than the sum of its proper divisors (4791233).

52703431 is a wasteful number, since it uses less digits than its factorization.

52703431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791232.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 52703431 is about 7259.7128731101. The cubic root of 52703431 is about 374.9266369078.

The spelling of 52703431 in words is "fifty-two million, seven hundred three thousand, four hundred thirty-one".

Divisors: 1 11 4791221 52703431