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212030330 = 2523921871
BaseRepresentation
bin11001010001101…
…01001101111010
3112202222020221012
430220311031322
5413234432310
633012313522
75153141141
oct1450651572
9482866835
10212030330
11a975a586
125b0128a2
1334c0a045
1420234758
1513933c05
hexca3537a

212030330 has 16 divisors (see below), whose sum is σ = 398248704. Its totient is φ = 81124560.

The previous prime is 212030323. The next prime is 212030347. The reversal of 212030330 is 33030212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460706 + ... + 461165.

It is an arithmetic number, because the mean of its divisors is an integer number (24890544).

Almost surely, 2212030330 is an apocalyptic number.

212030330 is a deficient number, since it is larger than the sum of its proper divisors (186218374).

212030330 is a wasteful number, since it uses less digits than its factorization.

212030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921901.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 212030330 is about 14561.2612777877. The cubic root of 212030330 is about 596.3016298996.

Adding to 212030330 its reverse (33030212), we get a palindrome (245060542).

The spelling of 212030330 in words is "two hundred twelve million, thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 921871 1843742 4609355 9218710 21203033 42406066 106015165 212030330