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1117907429 = 53197107069
BaseRepresentation
bin100001010100001…
…1110100111100101
32212220112120200212
41002220132213211
54242141014204
6302532345205
736463025222
oct10250364745
92786476625
101117907429
11524036441
12272475205
1314a7b07b2
14a8680949
1568221c6e
hex42a1e9e5

1117907429 has 8 divisors (see below), whose sum is σ = 1144792440. Its totient is φ = 1091237056.

The previous prime is 1117907423. The next prime is 1117907477. The reversal of 1117907429 is 9247097111.

It can be written as a sum of positive squares in 4 ways, for example, as 892216900 + 225690529 = 29870^2 + 15023^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1117907429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117907423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43094 + ... + 63975.

It is an arithmetic number, because the mean of its divisors is an integer number (143099055).

Almost surely, 21117907429 is an apocalyptic number.

It is an amenable number.

1117907429 is a deficient number, since it is larger than the sum of its proper divisors (26885011).

1117907429 is a wasteful number, since it uses less digits than its factorization.

1117907429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107319.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 1117907429 is about 33435.1226855832. The cubic root of 1117907429 is about 1037.8516515236.

The spelling of 1117907429 in words is "one billion, one hundred seventeen million, nine hundred seven thousand, four hundred twenty-nine".

Divisors: 1 53 197 10441 107069 5674657 21092593 1117907429