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4020265 = 51375869
BaseRepresentation
bin1111010101100000101001
321120020202201
433111200221
52012122030
6222100201
746112614
oct17254051
97506681
104020265
1122a6537
12141a661
13aa9b72
1476917b
155462ca
hex3d5829

4020265 has 8 divisors (see below), whose sum is σ = 4860360. Its totient is φ = 3192192.

The previous prime is 4020257. The next prime is 4020277. The reversal of 4020265 is 5620204.

4020265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 68121 + 3952144 = 261^2 + 1988^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020265 - 23 = 4020257 is a prime.

It is an unprimeable number.

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, 2250 + ... + 3619.

It is an arithmetic number, because the mean of its divisors is an integer number (607545).

Almost surely, 24020265 is an apocalyptic number.

It is an amenable number.

4020265 is a deficient number, since it is larger than the sum of its proper divisors (840095).

4020265 is a wasteful number, since it uses less digits than its factorization.

4020265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4020265 is about 2005.0598494808. The cubic root of 4020265 is about 159.0077261122.

Adding to 4020265 its reverse (5620204), we get a palindrome (9640469).

The spelling of 4020265 in words is "four million, twenty thousand, two hundred sixty-five".

Divisors: 1 5 137 685 5869 29345 804053 4020265