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202066971 = 3332920233
BaseRepresentation
bin11000000101101…
…00110000011011
3112002020001202220
430002310300123
5403212120341
632014555123
75002353351
oct1402646033
9462201686
10202066971
11a40749a7
1257808aa3
1332b2c072
141cb9d7d1
1512b16a66
hexc0b4c1b

202066971 has 8 divisors (see below), whose sum is σ = 269516880. Its totient is φ = 134664192.

The previous prime is 202066961. The next prime is 202066973. The reversal of 202066971 is 179660202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202066971 - 211 = 202064923 is a prime.

It is a super-2 number, since 2×2020669712 = 81662121538229682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202066973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 20103.

It is an arithmetic number, because the mean of its divisors is an integer number (33689610).

Almost surely, 2202066971 is an apocalyptic number.

202066971 is a deficient number, since it is larger than the sum of its proper divisors (67449909).

202066971 is a wasteful number, since it uses less digits than its factorization.

202066971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23565.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 202066971 is about 14215.0262398632. The cubic root of 202066971 is about 586.8112669060.

The spelling of 202066971 in words is "two hundred two million, sixty-six thousand, nine hundred seventy-one".

Divisors: 1 3 3329 9987 20233 60699 67355657 202066971