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4620379 = 17271787
BaseRepresentation
bin10001101000000001011011
322200201222011
4101220001123
52140323004
6243010351
754162331
oct21500133
98621864
104620379
1126763a5
1216699b7
13c5a06a
14883b51
15614004
hex46805b

4620379 has 4 divisors (see below), whose sum is σ = 4892184. Its totient is φ = 4348576.

The previous prime is 4620377. The next prime is 4620391. The reversal of 4620379 is 9730264.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4620379 - 21 = 4620377 is a prime.

It is a Duffinian number.

4620379 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4620379.

It is not an unprimeable number, because it can be changed into a prime (4620377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135877 + ... + 135910.

It is an arithmetic number, because the mean of its divisors is an integer number (1223046).

Almost surely, 24620379 is an apocalyptic number.

4620379 is a deficient number, since it is larger than the sum of its proper divisors (271805).

4620379 is a wasteful number, since it uses less digits than its factorization.

4620379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271804.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 4620379 is about 2149.5066875914. The cubic root of 4620379 is about 166.5555850929. Note that the first 4 decimals are identical.

The spelling of 4620379 in words is "four million, six hundred twenty thousand, three hundred seventy-nine".

Divisors: 1 17 271787 4620379