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202125541 = 2310978011
BaseRepresentation
bin11000000110000…
…11000011100101
3112002100001010011
430003003003211
5403221004131
632020130221
75003016202
oct1403030345
9462301104
10202125541
11a4104a02
1257836971
1332b4c917
141cbb6ca9
1512b290b1
hexc0c30e5

202125541 has 8 divisors (see below), whose sum is σ = 211132224. Its totient is φ = 193137120.

The previous prime is 202125509. The next prime is 202125571. The reversal of 202125541 is 145521202.

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 202125541 - 25 = 202125509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202125571) 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 7 ways as a sum of consecutive naturals, for example, 21226 + ... + 29236.

It is an arithmetic number, because the mean of its divisors is an integer number (26391528).

Almost surely, 2202125541 is an apocalyptic number.

It is an amenable number.

202125541 is a deficient number, since it is larger than the sum of its proper divisors (9006683).

202125541 is a wasteful number, since it uses less digits than its factorization.

202125541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 202125541 is about 14217.0862345278. The cubic root of 202125541 is about 586.8679580376.

Adding to 202125541 its reverse (145521202), we get a palindrome (347646743).

The spelling of 202125541 in words is "two hundred two million, one hundred twenty-five thousand, five hundred forty-one".

Divisors: 1 23 1097 8011 25231 184253 8788067 202125541