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212212514 = 21018591223
BaseRepresentation
bin11001010011000…
…01101100100010
3112210022111211202
430221201230202
5413311300024
633020241202
75154530243
oct1451415442
9483274752
10212212514
11a9874448
125b0a0202
1334c71c47
1420280cca
151396cbae
hexca61b22

212212514 has 16 divisors (see below), whose sum is σ = 322107840. Its totient is φ = 104847600.

The previous prime is 212212489. The next prime is 212212523. The reversal of 212212514 is 415212212.

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, 172907 + ... + 174129.

It is an arithmetic number, because the mean of its divisors is an integer number (20131740).

Almost surely, 2212212514 is an apocalyptic number.

212212514 is a deficient number, since it is larger than the sum of its proper divisors (109895326).

212212514 is a wasteful number, since it uses less digits than its factorization.

212212514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185.

The product of its digits is 320, while the sum is 20.

The square root of 212212514 is about 14567.5157113353. The cubic root of 212212514 is about 596.4723688629.

Adding to 212212514 its reverse (415212212), we get a palindrome (627424726).

The spelling of 212212514 in words is "two hundred twelve million, two hundred twelve thousand, five hundred fourteen".

Divisors: 1 2 101 202 859 1223 1718 2446 86759 123523 173518 247046 1050557 2101114 106106257 212212514