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202066385 = 52313912641
BaseRepresentation
bin11000000101101…
…00100111010001
3112002020000222012
430002310213101
5403212111020
632014552305
75002351553
oct1402644721
9462200865
10202066385
11a4074514
1257808695
1332b2ba11
141cb9d4d3
1512b167c5
hexc0b49d1

202066385 has 16 divisors (see below), whose sum is σ = 254862720. Its totient is φ = 153500160.

The previous prime is 202066367. The next prime is 202066399. The reversal of 202066385 is 583660202.

It is not a de Polignac number, because 202066385 - 214 = 202050001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9665 + ... + 22305.

It is an arithmetic number, because the mean of its divisors is an integer number (15928920).

Almost surely, 2202066385 is an apocalyptic number.

It is an amenable number.

202066385 is a deficient number, since it is larger than the sum of its proper divisors (52796335).

202066385 is a wasteful number, since it uses less digits than its factorization.

202066385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12808.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 202066385 is about 14215.0056278568. The cubic root of 202066385 is about 586.8106996489.

The spelling of 202066385 in words is "two hundred two million, sixty-six thousand, three hundred eighty-five".

Divisors: 1 5 23 115 139 695 3197 12641 15985 63205 290743 1453715 1757099 8785495 40413277 202066385