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2920473 = 32324497
BaseRepresentation
bin1011001001000000011001
312111101010200
423021000121
51221423343
6142332413
733552333
oct13110031
95441120
102920473
111715216
12b8a109
137b33ba
14560453
153ca4d3
hex2c9019

2920473 has 6 divisors (see below), whose sum is σ = 4218474. Its totient is φ = 1946976.

The previous prime is 2920469. The next prime is 2920487. The reversal of 2920473 is 3740292.

It can be written as a sum of positive squares in only one way, i.e., 2663424 + 257049 = 1632^2 + 507^2 .

It is not a de Polignac number, because 2920473 - 22 = 2920469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2920403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162240 + ... + 162257.

It is an arithmetic number, because the mean of its divisors is an integer number (703079).

22920473 is an apocalyptic number.

It is an amenable number.

2920473 is a deficient number, since it is larger than the sum of its proper divisors (1298001).

2920473 is a wasteful number, since it uses less digits than its factorization.

2920473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324503 (or 324500 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2920473 is about 1708.9391446157. The cubic root of 2920473 is about 142.9391072020.

It can be divided in two parts, 29 and 20473, that added together give a palindrome (20502).

The spelling of 2920473 in words is "two million, nine hundred twenty thousand, four hundred seventy-three".

Divisors: 1 3 9 324497 973491 2920473