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7997214 = 2319294159
BaseRepresentation
bin11110100000011100011110
3120001022010010
4132200130132
54021402324
6443224050
7124655331
oct36403436
916038103
107997214
114572475
122818026
1318700a4
1410c2618
15a7e829
hex7a071e

7997214 has 64 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 2338560.

The previous prime is 7997207. The next prime is 7997219. The reversal of 7997214 is 4127997.

7997214 = 282 + 292 + ... + 2882.

7997214 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135517 + ... + 135575.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 27997214 is an apocalyptic number.

7997214 is an abundant number, since it is smaller than the sum of its proper divisors (10146786).

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

7997214 is a wasteful number, since it uses less digits than its factorization.

7997214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153.

The product of its digits is 31752, while the sum is 39.

The square root of 7997214 is about 2827.9345819874. The cubic root of 7997214 is about 199.9767806377.

The spelling of 7997214 in words is "seven million, nine hundred ninety-seven thousand, two hundred fourteen".

Divisors: 1 2 3 6 19 29 38 41 57 58 59 82 87 114 118 123 174 177 246 354 551 779 1102 1121 1189 1558 1653 1711 2242 2337 2378 2419 3306 3363 3422 3567 4674 4838 5133 6726 7134 7257 10266 14514 22591 32509 45182 45961 65018 67773 70151 91922 97527 135546 137883 140302 195054 210453 275766 420906 1332869 2665738 3998607 7997214