Search a number
-
+
202087422 = 232101311083
BaseRepresentation
bin11000000101110…
…01101111111110
3112002021002211100
430002321233332
5403213244142
632015233530
75002500105
oct1402715776
9462232740
10202087422
11a40892a9
12578188a6
1332b38474
141cba703c
1512b1cb4c
hexc0b9bfe

202087422 has 24 divisors (see below), whose sum is σ = 438327864. Its totient is φ = 67289904.

The previous prime is 202087421. The next prime is 202087423. The reversal of 202087422 is 224780202.

It is an interprime number because it is at equal distance from previous prime (202087421) and next prime (202087423).

It is a super-2 number, since 2×2020874222 = 81678652261212168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202087421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12693 + ... + 23775.

It is an arithmetic number, because the mean of its divisors is an integer number (18263661).

Almost surely, 2202087422 is an apocalyptic number.

202087422 is an abundant number, since it is smaller than the sum of its proper divisors (236240442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202087422 is a wasteful number, since it uses less digits than its factorization.

202087422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12104 (or 12101 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 202087422 is about 14215.7455660968. The cubic root of 202087422 is about 586.8310631025.

The spelling of 202087422 in words is "two hundred two million, eighty-seven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 1013 2026 3039 6078 9117 11083 18234 22166 33249 66498 99747 199494 11227079 22454158 33681237 67362474 101043711 202087422