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344542020 = 22355742367
BaseRepresentation
bin10100100010010…
…100101101000100
3220000022112210120
4110202110231010
51201200321040
654104421540
711352362454
oct2442245504
9800275716
10344542020
11167537579
12974778b0
13564c4b24
1433a89d64
15203ab7d0
hex14894b44

344542020 has 24 divisors (see below), whose sum is σ = 964717824. Its totient is φ = 91877856.

The previous prime is 344542019. The next prime is 344542027. The reversal of 344542020 is 20245443.

It is not an unprimeable number, because it can be changed into a prime (344542027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871124 + ... + 2871243.

It is an arithmetic number, because the mean of its divisors is an integer number (40196576).

Almost surely, 2344542020 is an apocalyptic number.

344542020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344542020 is an abundant number, since it is smaller than the sum of its proper divisors (620175804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344542020 is a wasteful number, since it uses less digits than its factorization.

344542020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742379 (or 5742377 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 344542020 is about 18561.8431196905. The cubic root of 344542020 is about 701.0474251307.

Adding to 344542020 its reverse (20245443), we get a palindrome (364787463).

The spelling of 344542020 in words is "three hundred forty-four million, five hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5742367 11484734 17227101 22969468 28711835 34454202 57423670 68908404 86135505 114847340 172271010 344542020