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2057225 = 52196171
BaseRepresentation
bin111110110010000001001
310212111222112
413312100021
51011312400
6112032105
723325512
oct7662011
93774875
102057225
111185695
12832635
135704c1
143b7a09
152a9835
hex1f6409

2057225 has 24 divisors (see below), whose sum is σ = 2767680. Its totient is φ = 1512000.

The previous prime is 2057203. The next prime is 2057227. The reversal of 2057225 is 5227502.

It is a de Polignac number, because none of the positive numbers 2k-2057225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2057225.

It is not an unprimeable number, because it can be changed into a prime (2057227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28940 + ... + 29010.

It is an arithmetic number, because the mean of its divisors is an integer number (115320).

22057225 is an apocalyptic number.

2057225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2057225 is a deficient number, since it is larger than the sum of its proper divisors (710455).

2057225 is a wasteful number, since it uses less digits than its factorization.

2057225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2057225 is about 1434.3029666009. The cubic root of 2057225 is about 127.1824727310.

The spelling of 2057225 in words is "two million, fifty-seven thousand, two hundred twenty-five".

Divisors: 1 5 19 25 61 71 95 305 355 475 1159 1349 1525 1775 4331 5795 6745 21655 28975 33725 82289 108275 411445 2057225