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202201969 is a prime number
BaseRepresentation
bin11000000110101…
…01101101110001
3112002110220221211
430003111231301
5403230430334
632021520121
75003455054
oct1403255561
9462426854
10202201969
11a4157372
1257873041
1332b78648
141cbd6a9b
1512b41a64
hexc0d5b71

202201969 has 2 divisors, whose sum is σ = 202201970. Its totient is φ = 202201968.

The previous prime is 202201963. The next prime is 202201981. The reversal of 202201969 is 969102202.

202201969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156125025 + 46076944 = 12495^2 + 6788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202201969 is a prime.

It is a super-2 number, since 2×2022019692 = 81771272534953922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202201969.

It is not a weakly prime, because it can be changed into another prime (202201963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100984 + 101100985.

It is an arithmetic number, because the mean of its divisors is an integer number (101100985).

Almost surely, 2202201969 is an apocalyptic number.

It is an amenable number.

202201969 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201969 is an equidigital number, since it uses as much as digits as its factorization.

202201969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 202201969 is about 14219.7738730263. The cubic root of 202201969 is about 586.9419178349.

The spelling of 202201969 in words is "two hundred two million, two hundred one thousand, nine hundred sixty-nine".