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197214212 = 22132171312
BaseRepresentation
bin10111100000101…
…00000000000100
3111202002112001002
423300110000010
5400441323322
631322552432
74613202356
oct1360240004
9452075032
10197214212
11a135aa58
1256068718
1331b20300
141c2990d6
15124a8c92
hexbc14004

197214212 has 54 divisors (see below), whose sum is σ = 398741994. Its totient is φ = 85013760.

The previous prime is 197214197. The next prime is 197214221. The reversal of 197214212 is 212412791.

It can be written as a sum of positive squares in 3 ways, for example, as 4393216 + 192820996 = 2096^2 + 13886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1505387 + ... + 1505517.

It is an arithmetic number, because the mean of its divisors is an integer number (7384111).

Almost surely, 2197214212 is an apocalyptic number.

It is an amenable number.

197214212 is an abundant number, since it is smaller than the sum of its proper divisors (201527782).

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

197214212 is a wasteful number, since it uses less digits than its factorization.

197214212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 163 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 197214212 is about 14043.2977608538. The cubic root of 197214212 is about 582.0756112327.

The spelling of 197214212 in words is "one hundred ninety-seven million, two hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 13 17 26 34 52 68 131 169 221 262 338 442 524 676 884 1703 2227 2873 3406 4454 5746 6812 8908 11492 17161 22139 28951 34322 44278 57902 68644 88556 115804 223093 291737 376363 446186 583474 752726 892372 1166948 1505452 2900209 3792581 5800418 7585162 11600836 15170324 49303553 98607106 197214212