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212233274 = 2113611307
BaseRepresentation
bin11001010011001…
…10110000111010
3112210100120022122
430221212300322
5413312431044
633020521242
75154644621
oct1451466072
9483316278
10212233274
11a9889000
125b0b0222
1334c7b526
14202886b8
1513973dee
hexca66c3a

212233274 has 32 divisors (see below), whose sum is σ = 356173632. Its totient is φ = 94815600.

The previous prime is 212233267. The next prime is 212233283. The reversal of 212233274 is 472332212.

It is a happy number.

212233274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

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, 161729 + ... + 163035.

It is an arithmetic number, because the mean of its divisors is an integer number (11130426).

Almost surely, 2212233274 is an apocalyptic number.

212233274 is a deficient number, since it is larger than the sum of its proper divisors (143940358).

212233274 is a wasteful number, since it uses less digits than its factorization.

212233274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1381 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 212233274 is about 14568.2282381901. The cubic root of 212233274 is about 596.4918184897.

Adding to 212233274 its reverse (472332212), we get a palindrome (684565486).

The spelling of 212233274 in words is "two hundred twelve million, two hundred thirty-three thousand, two hundred seventy-four".

Divisors: 1 2 11 22 61 121 122 242 671 1307 1331 1342 2614 2662 7381 14377 14762 28754 79727 81191 158147 159454 162382 316294 876997 1739617 1753994 3479234 9646967 19293934 106116637 212233274