Base | Representation |
---|---|
bin | 111011111110… |
… | …0000100110111 |
3 | 2012011101020011 |
4 | 1313330010313 |
5 | 31022104312 |
6 | 3041521051 |
7 | 531150220 |
oct | 167740467 |
9 | 65141204 |
10 | 31441207 |
11 | 16825276 |
12 | a643187 |
13 | 668ac85 |
14 | 4266247 |
15 | 2b60da7 |
hex | 1dfc137 |
31441207 has 16 divisors (see below), whose sum is σ = 37665792. Its totient is φ = 25660800.
The previous prime is 31441153. The next prime is 31441217. The reversal of 31441207 is 70214413.
It is a cyclic number.
It is not a de Polignac number, because 31441207 - 27 = 31441079 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 (31441217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64318 + ... + 64804.
It is an arithmetic number, because the mean of its divisors is an integer number (2354112).
Almost surely, 231441207 is an apocalyptic number.
31441207 is a deficient number, since it is larger than the sum of its proper divisors (6224585).
31441207 is a wasteful number, since it uses less digits than its factorization.
31441207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 918.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 31441207 is about 5607.2459371781. The cubic root of 31441207 is about 315.6213719414.
The spelling of 31441207 in words is "thirty-one million, four hundred forty-one thousand, two hundred seven".
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