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2628970 = 25262897
BaseRepresentation
bin1010000001110101101010
311221120021021
422001311222
51133111340
6132203054
731226431
oct12016552
94846237
102628970
111536203
12a6948a
13710806
144c6118
1536de4a
hex281d6a

2628970 has 8 divisors (see below), whose sum is σ = 4732164. Its totient is φ = 1051584.

The previous prime is 2628953. The next prime is 2628979. The reversal of 2628970 is 798262.

It can be written as a sum of positive squares in 2 ways, for example, as 2140369 + 488601 = 1463^2 + 699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26289702 = 13822966521800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2628979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131439 + ... + 131458.

22628970 is an apocalyptic number.

2628970 is a deficient number, since it is larger than the sum of its proper divisors (2103194).

2628970 is a wasteful number, since it uses less digits than its factorization.

2628970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262904.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2628970 is about 1621.4098803202. The cubic root of 2628970 is about 138.0157161965.

The spelling of 2628970 in words is "two million, six hundred twenty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 262897 525794 1314485 2628970