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117342173 = 1377311677
BaseRepresentation
bin1101111111001…
…11111111011101
322011210121012102
412333213333131
5220014422143
615351014445
72623251314
oct677477735
9264717172
10117342173
1160266a03
123336a425
131b406250
141182727b
15a47d0b8
hex6fe7fdd

117342173 has 8 divisors (see below), whose sum is σ = 126542808. Its totient is φ = 108166464.

The previous prime is 117342107. The next prime is 117342179. The reversal of 117342173 is 371243711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1951609 + 115390564 = 1397^2 + 10742^2 .

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 117342173 - 212 = 117338077 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 (117342179) 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, 4211 + ... + 15887.

It is an arithmetic number, because the mean of its divisors is an integer number (15817851).

Almost surely, 2117342173 is an apocalyptic number.

117342173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117342173 is a deficient number, since it is larger than the sum of its proper divisors (9200635).

117342173 is a wasteful number, since it uses less digits than its factorization.

117342173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463.

The product of its digits is 3528, while the sum is 29.

The square root of 117342173 is about 10832.4592314026. The cubic root of 117342173 is about 489.5736580304.

Adding to 117342173 its reverse (371243711), we get a palindrome (488585884).

The spelling of 117342173 in words is "one hundred seventeen million, three hundred forty-two thousand, one hundred seventy-three".

Divisors: 1 13 773 10049 11677 151801 9026321 117342173