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202550131 = 728935733
BaseRepresentation
bin11000001001010…
…10101101110011
3112010010121112201
430010222231303
5403323101011
632033204031
75006435110
oct1404525563
9463117481
10202550131
11a4374a03
1257a00617
1332c6ac64
141cc87907
1512baecc1
hexc12ab73

202550131 has 4 divisors (see below), whose sum is σ = 231485872. Its totient is φ = 173614392.

The previous prime is 202550113. The next prime is 202550171. The reversal of 202550131 is 131055202.

202550131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 202550131 - 29 = 202549619 is a prime.

It is a super-2 number, since 2×2025501312 = 82053111136234322, 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 = 202550099 and 202550108.

It is not an unprimeable number, because it can be changed into a prime (202550171) 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, 14467860 + ... + 14467873.

It is an arithmetic number, because the mean of its divisors is an integer number (57871468).

Almost surely, 2202550131 is an apocalyptic number.

202550131 is a deficient number, since it is larger than the sum of its proper divisors (28935741).

202550131 is an equidigital number, since it uses as much as digits as its factorization.

202550131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28935740.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 202550131 is about 14232.0107855496. The cubic root of 202550131 is about 587.2786005054.

The spelling of 202550131 in words is "two hundred two million, five hundred fifty thousand, one hundred thirty-one".

Divisors: 1 7 28935733 202550131