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2949245 = 513172157
BaseRepresentation
bin1011010000000001111101
312112211121022
423100001331
51223333440
6143113525
734032245
oct13200175
95484538
102949245
1117348a2
12ba28a5
137c3520
1456ab25
153d3cb5
hex2d007d

2949245 has 24 divisors (see below), whose sum is σ = 4074504. Its totient is φ = 2036736.

The previous prime is 2949229. The next prime is 2949251. The reversal of 2949245 is 5429492.

It can be written as a sum of positive squares in 12 ways, for example, as 605284 + 2343961 = 778^2 + 1531^2 .

It is not a de Polignac number, because 2949245 - 24 = 2949229 is a prime.

It is a Duffinian number.

Its product of digits (25920) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18707 + ... + 18863.

It is an arithmetic number, because the mean of its divisors is an integer number (169771).

22949245 is an apocalyptic number.

It is an amenable number.

2949245 is a deficient number, since it is larger than the sum of its proper divisors (1125259).

2949245 is a wasteful number, since it uses less digits than its factorization.

2949245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 192 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 2949245 is about 1717.3366006698. The cubic root of 2949245 is about 143.4069779593.

The spelling of 2949245 in words is "two million, nine hundred forty-nine thousand, two hundred forty-five".

Divisors: 1 5 13 17 65 85 157 221 289 785 1105 1445 2041 2669 3757 10205 13345 18785 34697 45373 173485 226865 589849 2949245