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8697997 = 711374371
BaseRepresentation
bin100001001011…
…100010001101
3121100220102001
4201023202031
54211313442
6510232301
7133634410
oct41134215
917326361
108697997
114a00a30
122ab5691
131a57059
141225b77
15b6c2b7
hex84b88d

8697997 has 32 divisors (see below), whose sum is σ = 11556864. Its totient is φ = 6350400.

The previous prime is 8697977. The next prime is 8698009. The reversal of 8697997 is 7997968.

It is not a de Polignac number, because 8697997 - 27 = 8697869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697937) 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, 122472 + ... + 122542.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

Almost surely, 28697997 is an apocalyptic number.

It is an amenable number.

8697997 is a deficient number, since it is larger than the sum of its proper divisors (2858867).

8697997 is a wasteful number, since it uses less digits than its factorization.

8697997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169.

The product of its digits is 1714608, while the sum is 55.

The square root of 8697997 is about 2949.2366809058. The cubic root of 8697997 is about 205.6552265380.

The spelling of 8697997 in words is "eight million, six hundred ninety-seven thousand, nine hundred ninety-seven".

Divisors: 1 7 11 37 43 71 77 259 301 407 473 497 781 1591 2627 2849 3053 3311 5467 11137 17501 18389 21371 28897 33583 112961 122507 202279 235081 790727 1242571 8697997