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5252133031 = 31716568243
BaseRepresentation
bin1001110010000110…
…10011000010100111
3111120000211000001121
410321003103002213
541224021224111
62225055234411
7244103252125
oct47103230247
914500730047
105252133031
112255768312
121026b18a07
1365916a132
1437b774915
1520b15c871
hex1390d30a7

5252133031 has 4 divisors (see below), whose sum is σ = 5268701592. Its totient is φ = 5235564472.

The previous prime is 5252132999. The next prime is 5252133041. The reversal of 5252133031 is 1303312525.

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 5252133031 - 25 = 5252132999 is a prime.

It is a super-2 number, since 2×52521330312 = 55169802750642493922, 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 = 5252132987 and 5252133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5252133041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8283805 + ... + 8284438.

It is an arithmetic number, because the mean of its divisors is an integer number (1317175398).

Almost surely, 25252133031 is an apocalyptic number.

5252133031 is a deficient number, since it is larger than the sum of its proper divisors (16568561).

5252133031 is a wasteful number, since it uses less digits than its factorization.

5252133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16568560.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 5252133031 is about 72471.6015484686. The cubic root of 5252133031 is about 1738.2486706550.

Adding to 5252133031 its reverse (1303312525), we get a palindrome (6555445556).

The spelling of 5252133031 in words is "five billion, two hundred fifty-two million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 317 16568243 5252133031