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202255541 = 296974329
BaseRepresentation
bin11000000111000…
…10110010110101
3112002120122102222
430003202302311
5403234134131
632023012125
75004100205
oct1403426265
9462518388
10202255541
11a4193644
125789a045
1332b96b47
141cc0c405
1512b5287b
hexc0e2cb5

202255541 has 4 divisors (see below), whose sum is σ = 209229900. Its totient is φ = 195281184.

The previous prime is 202255519. The next prime is 202255553. The reversal of 202255541 is 145552202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 126652516 + 75603025 = 11254^2 + 8695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202255541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202255541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202255561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3487136 + ... + 3487193.

It is an arithmetic number, because the mean of its divisors is an integer number (52307475).

Almost surely, 2202255541 is an apocalyptic number.

It is an amenable number.

202255541 is a deficient number, since it is larger than the sum of its proper divisors (6974359).

202255541 is an equidigital number, since it uses as much as digits as its factorization.

202255541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974358.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 202255541 is about 14221.6574631792. The cubic root of 202255541 is about 586.9937486456.

The spelling of 202255541 in words is "two hundred two million, two hundred fifty-five thousand, five hundred forty-one".

Divisors: 1 29 6974329 202255541