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9114139 = 10190239
BaseRepresentation
bin100010110001…
…001000011011
3122011001020201
4202301020123
54313123024
6523203031
7140316556
oct42611033
918131221
109114139
115165651
123076477
131b715a8
1412d369d
15c00744
hex8b121b

9114139 has 4 divisors (see below), whose sum is σ = 9204480. Its totient is φ = 9023800.

The previous prime is 9114137. The next prime is 9114163. The reversal of 9114139 is 9314119.

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: 9314119 = 10192219.

It is a cyclic number.

It is not a de Polignac number, because 9114139 - 21 = 9114137 is a prime.

It is a super-2 number, since 2×91141392 = 166135059422642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

9114139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9114137) 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, 45019 + ... + 45220.

It is an arithmetic number, because the mean of its divisors is an integer number (2301120).

Almost surely, 29114139 is an apocalyptic number.

9114139 is a deficient number, since it is larger than the sum of its proper divisors (90341).

9114139 is a wasteful number, since it uses less digits than its factorization.

9114139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90340.

The product of its digits is 972, while the sum is 28.

The square root of 9114139 is about 3018.9632326347. The cubic root of 9114139 is about 208.8840195011.

It can be divided in two parts, 911 and 4139, that added together give a triangular number (5050 = T100).

The spelling of 9114139 in words is "nine million, one hundred fourteen thousand, one hundred thirty-nine".

Divisors: 1 101 90239 9114139