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202134863 = 7196412371
BaseRepresentation
bin11000000110001…
…01010101001111
3112002100111220102
430003011111033
5403221303423
632020241315
75003055320
oct1403052517
9462314812
10202134863
11a4110a07
125784023b
1332b53c38
141cbba447
1512b2bc28
hexc0c554f

202134863 has 16 divisors (see below), whose sum is σ = 243651840. Its totient is φ = 163814400.

The previous prime is 202134857. The next prime is 202134887. The reversal of 202134863 is 368431202.

It is a cyclic number.

It is not a de Polignac number, because 202134863 - 210 = 202133839 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 (202134563) 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 15 ways as a sum of consecutive naturals, for example, 84068 + ... + 86438.

It is an arithmetic number, because the mean of its divisors is an integer number (15228240).

Almost surely, 2202134863 is an apocalyptic number.

202134863 is a deficient number, since it is larger than the sum of its proper divisors (41516977).

202134863 is a wasteful number, since it uses less digits than its factorization.

202134863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 202134863 is about 14217.4140757031. The cubic root of 202134863 is about 586.8769799866.

The spelling of 202134863 in words is "two hundred two million, one hundred thirty-four thousand, eight hundred sixty-three".

Divisors: 1 7 19 133 641 2371 4487 12179 16597 45049 85253 315343 1519811 10638677 28876409 202134863