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2957825 = 521319479
BaseRepresentation
bin1011010010001000000001
312120021101002
423102020001
51224122300
6143221345
734066253
oct13221001
95507332
102957825
111740292
12ba7855
137c73c0
1456dcd3
153d65d5
hex2d2201

2957825 has 24 divisors (see below), whose sum is σ = 4166400. Its totient is φ = 2064960.

The previous prime is 2957819. The next prime is 2957827. The reversal of 2957825 is 5287592.

It is not a de Polignac number, because 2957825 - 24 = 2957809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2957827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5936 + ... + 6414.

It is an arithmetic number, because the mean of its divisors is an integer number (173600).

22957825 is an apocalyptic number.

2957825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2957825 is a deficient number, since it is larger than the sum of its proper divisors (1208575).

2957825 is a wasteful number, since it uses less digits than its factorization.

2957825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 516 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 2957825 is about 1719.8328407145. The cubic root of 2957825 is about 143.5459107592.

The spelling of 2957825 in words is "two million, nine hundred fifty-seven thousand, eight hundred twenty-five".

Divisors: 1 5 13 19 25 65 95 247 325 475 479 1235 2395 6175 6227 9101 11975 31135 45505 118313 155675 227525 591565 2957825