Search a number
-
+
117323890 = 2511732389
BaseRepresentation
bin1101111111000…
…11100001110010
322011202200010021
412333203201302
5220013331030
615350354054
72623144105
oct677434162
9264680107
10117323890
11602541a2
123335b92a
131b3cab28
141182073c
15a47797a
hex6fe3872

117323890 has 8 divisors (see below), whose sum is σ = 211183020. Its totient is φ = 46929552.

The previous prime is 117323881. The next prime is 117323893. The reversal of 117323890 is 98323711.

It can be written as a sum of positive squares in 2 ways, for example, as 106440489 + 10883401 = 10317^2 + 3299^2 .

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

It is not an unprimeable number, because it can be changed into a prime (117323893) 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, 5866185 + ... + 5866204.

Almost surely, 2117323890 is an apocalyptic number.

117323890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117323890 is a deficient number, since it is larger than the sum of its proper divisors (93859130).

117323890 is a wasteful number, since it uses less digits than its factorization.

117323890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732396.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 117323890 is about 10831.6152996679. The cubic root of 117323890 is about 489.5482300026.

The spelling of 117323890 in words is "one hundred seventeen million, three hundred twenty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 11732389 23464778 58661945 117323890