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202022031 = 3346119457
BaseRepresentation
bin11000000101010…
…01110010001111
3112002010210010110
430002221302033
5403204201111
632014011103
75002105341
oct1402516217
9462123113
10202022031
11a4044162
12577a6a93
1332b14783
141cb8b291
1512b085a6
hexc0a9c8f

202022031 has 8 divisors (see below), whose sum is σ = 269454384. Its totient is φ = 134635520.

The previous prime is 202022021. The next prime is 202022053. The reversal of 202022031 is 130220202.

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

It is a cyclic number.

It is not a de Polignac number, because 202022031 - 222 = 197827727 is a prime.

It is a super-2 number, since 2×2020220312 = 81625802018729922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202021998 and 202022016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022011) 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 7 ways as a sum of consecutive naturals, for example, 655 + ... + 20111.

It is an arithmetic number, because the mean of its divisors is an integer number (33681798).

Almost surely, 2202022031 is an apocalyptic number.

202022031 is a deficient number, since it is larger than the sum of its proper divisors (67432353).

202022031 is a wasteful number, since it uses less digits than its factorization.

202022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22921.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202022031 is about 14213.4454302959. The cubic root of 202022031 is about 586.7677611094.

Adding to 202022031 its reverse (130220202), we get a palindrome (332242233).

The spelling of 202022031 in words is "two hundred two million, twenty-two thousand, thirty-one".

Divisors: 1 3 3461 10383 19457 58371 67340677 202022031