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117469631 is a prime number
BaseRepresentation
bin1110000000001…
…11000110111111
322012001002001002
413000013012333
5220033012011
615353440515
72624322026
oct700070677
9265032032
10117469631
1160343744
123341013b
131b44c276
141185b8bd
15a4a5c3b
hex70071bf

117469631 has 2 divisors, whose sum is σ = 117469632. Its totient is φ = 117469630.

The previous prime is 117469613. The next prime is 117469669. The reversal of 117469631 is 136964711.

It is a happy number.

Together with previous prime (117469613) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (117469669) can be obtained adding 117469631 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117469631 - 26 = 117469567 is a prime.

It is a super-2 number, since 2×1174696312 = 27598228414552322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117469601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58734815 + 58734816.

It is an arithmetic number, because the mean of its divisors is an integer number (58734816).

Almost surely, 2117469631 is an apocalyptic number.

117469631 is a deficient number, since it is larger than the sum of its proper divisors (1).

117469631 is an equidigital number, since it uses as much as digits as its factorization.

117469631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 117469631 is about 10838.3407863012. The cubic root of 117469631 is about 489.7508534870.

The spelling of 117469631 in words is "one hundred seventeen million, four hundred sixty-nine thousand, six hundred thirty-one".