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2146425 = 35228619
BaseRepresentation
bin1000001100000001111001
311001001100020
420030001321
51022141200
6114001053
724146541
oct10140171
94031306
102146425
111236706
12876189
135a1c98
143dc321
152c5ea0
hex20c079

2146425 has 12 divisors (see below), whose sum is σ = 3548880. Its totient is φ = 1144720.

The previous prime is 2146423. The next prime is 2146433. The reversal of 2146425 is 5246412.

It is not a de Polignac number, because 2146425 - 21 = 2146423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2146395 and 2146404.

It is not an unprimeable number, because it can be changed into a prime (2146423) 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, 14235 + ... + 14384.

It is an arithmetic number, because the mean of its divisors is an integer number (295740).

22146425 is an apocalyptic number.

2146425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2146425 is a deficient number, since it is larger than the sum of its proper divisors (1402455).

2146425 is a wasteful number, since it uses less digits than its factorization.

2146425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28632 (or 28627 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 2146425 is about 1465.0682577955. The cubic root of 2146425 is about 128.9947116395.

The spelling of 2146425 in words is "two million, one hundred forty-six thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 28619 85857 143095 429285 715475 2146425