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202221030 = 23511612791
BaseRepresentation
bin11000000110110…
…10010111100110
3112002111220002210
430003122113212
5403232033110
632022144250
75003564454
oct1403322746
9462456083
10202221030
11a416a720
1257882086
1332b8421b
141cbdd9d4
1512b47520
hexc0da5e6

202221030 has 32 divisors (see below), whose sum is σ = 529452288. Its totient is φ = 49023200.

The previous prime is 202221017. The next prime is 202221043. The reversal of 202221030 is 30122202.

202221030 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202221017) and next prime (202221043).

It is a junction number, because it is equal to n+sod(n) for n = 202220997 and 202221015.

It is a congruent number.

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, 306066 + ... + 306725.

It is an arithmetic number, because the mean of its divisors is an integer number (16545384).

Almost surely, 2202221030 is an apocalyptic number.

202221030 is an abundant number, since it is smaller than the sum of its proper divisors (327231258).

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

202221030 is a wasteful number, since it uses less digits than its factorization.

202221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612812.

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

The square root of 202221030 is about 14220.4440858927. Note that the first 3 decimals coincide. The cubic root of 202221030 is about 586.9603603661.

Adding to 202221030 its reverse (30122202), we get a palindrome (232343232).

The spelling of 202221030 in words is "two hundred two million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 612791 1225582 1838373 3063955 3676746 6127910 6740701 9191865 13481402 18383730 20222103 33703505 40444206 67407010 101110515 202221030