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214124972 = 22137390739
BaseRepresentation
bin11001100001101…
…00100110101100
3112220220200020112
430300310212230
5414303444342
633125235152
75210014025
oct1460644654
9486820215
10214124972
11aa960296
125b862ab8
1335491589
142061bc4c
1513be9682
hexcc349ac

214124972 has 12 divisors (see below), whose sum is σ = 377454840. Its totient is φ = 106280736.

The previous prime is 214124923. The next prime is 214125017. The reversal of 214124972 is 279421412.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194822 + ... + 195917.

It is an arithmetic number, because the mean of its divisors is an integer number (31454570).

Almost surely, 2214124972 is an apocalyptic number.

It is an amenable number.

214124972 is a deficient number, since it is larger than the sum of its proper divisors (163329868).

214124972 is a wasteful number, since it uses less digits than its factorization.

214124972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390880 (or 390878 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 214124972 is about 14633.0096699209. The cubic root of 214124972 is about 598.2588149753.

The spelling of 214124972 in words is "two hundred fourteen million, one hundred twenty-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 137 274 548 390739 781478 1562956 53531243 107062486 214124972