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7340020 = 225367001
BaseRepresentation
bin11011111111111111110100
3111210220121121
4123333333310
53334340040
6421153324
7116250322
oct33777764
914726547
107340020
114163736
12255b844
13169cc0c
14d90d12
1599ec4a
hex6ffff4

7340020 has 12 divisors (see below), whose sum is σ = 15414084. Its totient is φ = 2936000.

The previous prime is 7340009. The next prime is 7340033. The reversal of 7340020 is 200437.

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 6022116 = 1148^2 + 2454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7339976 and 7340003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183481 + ... + 183520.

It is an arithmetic number, because the mean of its divisors is an integer number (1284507).

Almost surely, 27340020 is an apocalyptic number.

It is an amenable number.

7340020 is an abundant number, since it is smaller than the sum of its proper divisors (8074064).

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

7340020 is a wasteful number, since it uses less digits than its factorization.

7340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367010 (or 367008 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 7340020 is about 2709.2471278937. The cubic root of 7340020 is about 194.3415882922.

Adding to 7340020 its reverse (200437), we get a palindrome (7540457).

The spelling of 7340020 in words is "seven million, three hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 367001 734002 1468004 1835005 3670010 7340020