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202892049 = 3222543561
BaseRepresentation
bin11000001011111…
…10001100010001
3112010202222120100
430011332030101
5403420021144
632044403013
75012361003
oct1405761421
9463688510
10202892049
11a4588888
1257b46469
133305a789
141cd36373
1512c2b269
hexc17e311

202892049 has 6 divisors (see below), whose sum is σ = 293066306. Its totient is φ = 135261360.

The previous prime is 202892029. The next prime is 202892057. The reversal of 202892049 is 940298202.

It can be written as a sum of positive squares in only one way, i.e., 202549824 + 342225 = 14232^2 + 585^2 .

It is not a de Polignac number, because 202892049 - 216 = 202826513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202892029) 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 5 ways as a sum of consecutive naturals, for example, 11271772 + ... + 11271789.

Almost surely, 2202892049 is an apocalyptic number.

It is an amenable number.

202892049 is a deficient number, since it is larger than the sum of its proper divisors (90174257).

202892049 is a wasteful number, since it uses less digits than its factorization.

202892049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543567 (or 22543564 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 202892049 is about 14244.0180075708. The cubic root of 202892049 is about 587.6088697592.

The spelling of 202892049 in words is "two hundred two million, eight hundred ninety-two thousand, forty-nine".

Divisors: 1 3 9 22543561 67630683 202892049