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118969349 = 176998197
BaseRepresentation
bin1110001011101…
…01010000000101
322021212021021012
413011311100011
5220424004344
615445532005
72643136262
oct705652005
9267767235
10118969349
1161178484
1233a14005
131b855a85
1411b2c269
15a6a029e
hex7175405

118969349 has 4 divisors (see below), whose sum is σ = 125967564. Its totient is φ = 111971136.

The previous prime is 118969343. The next prime is 118969391. The reversal of 118969349 is 943969811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943969811 = 1583596317.

It can be written as a sum of positive squares in 2 ways, for example, as 97160449 + 21808900 = 9857^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 118969349 - 220 = 117920773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118969297 and 118969306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118969343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499082 + ... + 3499115.

It is an arithmetic number, because the mean of its divisors is an integer number (31491891).

Almost surely, 2118969349 is an apocalyptic number.

It is an amenable number.

118969349 is a deficient number, since it is larger than the sum of its proper divisors (6998215).

118969349 is an equidigital number, since it uses as much as digits as its factorization.

118969349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998214.

The product of its digits is 419904, while the sum is 50.

The square root of 118969349 is about 10907.3071378778. The cubic root of 118969349 is about 491.8262393978.

The spelling of 118969349 in words is "one hundred eighteen million, nine hundred sixty-nine thousand, three hundred forty-nine".

Divisors: 1 17 6998197 118969349