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97238239 = 767207331
BaseRepresentation
bin1011100101110…
…11110011011111
320202222012210021
411302323303133
5144343110424
613352053011
72260340260
oct562736337
9222865707
1097238239
114a98558a
1228694167
13171b7727
14ccb2967
15880b4e4
hex5cbbcdf

97238239 has 8 divisors (see below), whose sum is σ = 112788608. Its totient is φ = 82102680.

The previous prime is 97238237. The next prime is 97238243. The reversal of 97238239 is 93283279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97238239 - 21 = 97238237 is a prime.

It is a super-2 number, since 2×972382392 = 18910550247642242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97238195 and 97238204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97238231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103197 + ... + 104134.

It is an arithmetic number, because the mean of its divisors is an integer number (14098576).

Almost surely, 297238239 is an apocalyptic number.

97238239 is a deficient number, since it is larger than the sum of its proper divisors (15550369).

97238239 is a wasteful number, since it uses less digits than its factorization.

97238239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207405.

The product of its digits is 163296, while the sum is 43.

The square root of 97238239 is about 9860.9451372574. The cubic root of 97238239 is about 459.8459455773.

The spelling of 97238239 in words is "ninety-seven million, two hundred thirty-eight thousand, two hundred thirty-nine".

Divisors: 1 7 67 469 207331 1451317 13891177 97238239