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2628742 = 21314371
BaseRepresentation
bin1010000001110010000110
311221112221211
422001302012
51133104432
6132202034
731225654
oct12016206
94845854
102628742
111536016
12a6931a
1371068c
144c5dd4
1536dd47
hex281c86

2628742 has 4 divisors (see below), whose sum is σ = 3943116. Its totient is φ = 1314370.

The previous prime is 2628737. The next prime is 2628749. The reversal of 2628742 is 2478262.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657184 + ... + 657187.

It is an arithmetic number, because the mean of its divisors is an integer number (985779).

22628742 is an apocalyptic number.

2628742 is a deficient number, since it is larger than the sum of its proper divisors (1314374).

2628742 is a wasteful number, since it uses less digits than its factorization.

2628742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314373.

The product of its digits is 10752, while the sum is 31.

The square root of 2628742 is about 1621.3395696152. The cubic root of 2628742 is about 138.0117262317.

The spelling of 2628742 in words is "two million, six hundred twenty-eight thousand, seven hundred forty-two".

Divisors: 1 2 1314371 2628742