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7252723231 = 13882163247
BaseRepresentation
bin1101100000100101…
…11100011000011111
3200201110021111212221
412300102330120133
5104323144120411
63155403010211
7344505062455
oct66022743037
920643244787
107252723231
113091a78346
1214a4b09967
138b7790010
144cb3449d5
152c6ada071
hex1b04bc61f

7252723231 has 8 divisors (see below), whose sum is σ = 7811633984. Its totient is φ = 6693956640.

The previous prime is 7252723223. The next prime is 7252723237. The reversal of 7252723231 is 1323272527.

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 7252723231 - 23 = 7252723223 is a prime.

It is a super-2 number, since 2×72527232312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7252723237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83050 + ... + 146296.

It is an arithmetic number, because the mean of its divisors is an integer number (976454248).

Almost surely, 27252723231 is an apocalyptic number.

7252723231 is a deficient number, since it is larger than the sum of its proper divisors (558910753).

7252723231 is a wasteful number, since it uses less digits than its factorization.

7252723231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72081.

The product of its digits is 35280, while the sum is 34.

The square root of 7252723231 is about 85162.9216913088. The cubic root of 7252723231 is about 1935.6806185141.

Adding to 7252723231 its reverse (1323272527), we get a palindrome (8575995758).

The spelling of 7252723231 in words is "seven billion, two hundred fifty-two million, seven hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 13 8821 63247 114673 822211 557901787 7252723231