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2923245 = 3251319263
BaseRepresentation
bin1011001001101011101101
312111111221100
423021223231
51222020440
6142353313
733563403
oct13115355
95444840
102923245
111717306
12b8b839
137b4740
14561473
153cb230
hex2c9aed

2923245 has 48 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 1358208.

The previous prime is 2923213. The next prime is 2923247. The reversal of 2923245 is 5423292.

It is not a de Polignac number, because 2923245 - 25 = 2923213 is a prime.

It is a super-2 number, since 2×29232452 = 17090722660050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 214 + 96 + 218 + 35 + 221 + 44 + 56 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10984 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

22923245 is an apocalyptic number.

It is an amenable number.

2923245 is a deficient number, since it is larger than the sum of its proper divisors (2842515).

2923245 is a wasteful number, since it uses less digits than its factorization.

2923245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 303 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2923245 is about 1709.7499817225. The cubic root of 2923245 is about 142.9843169917.

The spelling of 2923245 in words is "two million, nine hundred twenty-three thousand, two hundred forty-five".

Divisors: 1 3 5 9 13 15 19 39 45 57 65 95 117 171 195 247 263 285 585 741 789 855 1235 1315 2223 2367 3419 3705 3945 4997 10257 11115 11835 14991 17095 24985 30771 44973 51285 64961 74955 153855 194883 224865 324805 584649 974415 2923245