Base | Representation |
---|---|
bin | 10100011010010… |
… | …011100001011111 |
3 | 212212100202102010 |
4 | 110122103201133 |
5 | 1200131040111 |
6 | 53551402303 |
7 | 11325456303 |
oct | 2432234137 |
9 | 785322363 |
10 | 342440031 |
11 | 16633129a |
12 | 96823393 |
13 | 55c3a14b |
14 | 3369dd03 |
15 | 200e3aa6 |
hex | 1469385f |
342440031 has 16 divisors (see below), whose sum is σ = 484254720. Its totient is φ = 214785120.
The previous prime is 342440011. The next prime is 342440047. The reversal of 342440031 is 130044243.
It is not a de Polignac number, because 342440031 - 26 = 342439967 is a prime.
It is a super-3 number, since 3×3424400313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (342440011) 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, 36471 + ... + 44888.
It is an arithmetic number, because the mean of its divisors is an integer number (30265920).
Almost surely, 2342440031 is an apocalyptic number.
342440031 is a deficient number, since it is larger than the sum of its proper divisors (141814689).
342440031 is a wasteful number, since it uses less digits than its factorization.
342440031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81446.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 342440031 is about 18505.1352602460. The cubic root of 342440031 is about 699.6188612212.
Adding to 342440031 its reverse (130044243), we get a palindrome (472484274).
The spelling of 342440031 in words is "three hundred forty-two million, four hundred forty thousand, thirty-one".
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