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2150825 = 52227379
BaseRepresentation
bin1000001101000110101001
311001021101012
420031012221
51022311300
6114033305
724165425
oct10150651
94037335
102150825
111239a46
12878835
135a3ca1
143ddb85
152c7435
hex20d1a9

2150825 has 12 divisors (see below), whose sum is σ = 2685840. Its totient is φ = 1708560.

The previous prime is 2150821. The next prime is 2150831. The reversal of 2150825 is 5280512.

It is not a de Polignac number, because 2150825 - 22 = 2150821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2150825.

It is not an unprimeable number, because it can be changed into a prime (2150821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5486 + ... + 5864.

It is an arithmetic number, because the mean of its divisors is an integer number (223820).

22150825 is an apocalyptic number.

2150825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150825 is a deficient number, since it is larger than the sum of its proper divisors (535015).

2150825 is a wasteful number, since it uses less digits than its factorization.

2150825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2150825 is about 1466.5691255444. The cubic root of 2150825 is about 129.0827944350.

The spelling of 2150825 in words is "two million, one hundred fifty thousand, eight hundred twenty-five".

Divisors: 1 5 25 227 379 1135 1895 5675 9475 86033 430165 2150825