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116605879 = 138969683
BaseRepresentation
bin1101111001101…
…00001110110111
322010102012012021
412330310032313
5214322342004
615323134011
72614063555
oct674641667
9263365167
10116605879
115a9037a5
1233074307
131b209080
14116b4bd5
15a384d54
hex6f343b7

116605879 has 4 divisors (see below), whose sum is σ = 125575576. Its totient is φ = 107636184.

The previous prime is 116605877. The next prime is 116605903. The reversal of 116605879 is 978506611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978506611 = 8771115743.

It is a cyclic number.

It is not a de Polignac number, because 116605879 - 21 = 116605877 is a prime.

It is a super-4 number, since 4×1166058794 (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116605871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484829 + ... + 4484854.

It is an arithmetic number, because the mean of its divisors is an integer number (31393894).

Almost surely, 2116605879 is an apocalyptic number.

116605879 is a deficient number, since it is larger than the sum of its proper divisors (8969697).

116605879 is an equidigital number, since it uses as much as digits as its factorization.

116605879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8969696.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 116605879 is about 10798.4202085305. The cubic root of 116605879 is about 488.5475230055.

The spelling of 116605879 in words is "one hundred sixteen million, six hundred five thousand, eight hundred seventy-nine".

Divisors: 1 13 8969683 116605879