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2642938 = 219157443
BaseRepresentation
bin1010000101001111111010
311222021102121
422011033322
51134033223
6132351454
731315234
oct12051772
94867377
102642938
111545751
12a7558a
13716c8c
144cb254
1537315d
hex2853fa

2642938 has 16 divisors (see below), whose sum is σ = 4209120. Its totient is φ = 1241136.

The previous prime is 2642933. The next prime is 2642971. The reversal of 2642938 is 8392462.

It is a d-powerful number, because it can be written as 219 + 6 + 42 + 219 + 9 + 313 + 8 .

It is not an unprimeable number, because it can be changed into a prime (2642933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5745 + ... + 6187.

It is an arithmetic number, because the mean of its divisors is an integer number (263070).

22642938 is an apocalyptic number.

2642938 is a deficient number, since it is larger than the sum of its proper divisors (1566182).

2642938 is a wasteful number, since it uses less digits than its factorization.

2642938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its digits is 20736, while the sum is 34.

The square root of 2642938 is about 1625.7115365279. The cubic root of 2642938 is about 138.2597153492.

The spelling of 2642938 in words is "two million, six hundred forty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 19 38 157 314 443 886 2983 5966 8417 16834 69551 139102 1321469 2642938