Base | Representation |
---|---|
bin | 10100100100111… |
… | …001000000011111 |
3 | 220001120201222000 |
4 | 110210321000133 |
5 | 1201333340012 |
6 | 54131053343 |
7 | 11361164514 |
oct | 2444710037 |
9 | 801521860 |
10 | 345215007 |
11 | 167957165 |
12 | 97741253 |
13 | 5669c247 |
14 | 33bc330b |
15 | 20490ddc |
hex | 1493901f |
345215007 has 8 divisors (see below), whose sum is σ = 511429680. Its totient is φ = 230143320.
The previous prime is 345214973. The next prime is 345215033. The reversal of 345215007 is 700512543.
It is a happy number.
It is not a de Polignac number, because 345215007 - 26 = 345214943 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12785741 = 345215007 / (3 + 4 + 5 + 2 + 1 + 5 + 0 + 0 + 7).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345215207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6392844 + ... + 6392897.
It is an arithmetic number, because the mean of its divisors is an integer number (63928710).
Almost surely, 2345215007 is an apocalyptic number.
345215007 is a deficient number, since it is larger than the sum of its proper divisors (166214673).
345215007 is a wasteful number, since it uses less digits than its factorization.
345215007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12785750 (or 12785744 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 345215007 is about 18579.9625134175. The cubic root of 345215007 is about 701.5035755429.
The spelling of 345215007 in words is "three hundred forty-five million, two hundred fifteen thousand, seven".
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