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2742002 = 21371001
BaseRepresentation
bin1010011101011011110010
312011022022122
422131123302
51200221002
6134434242
732210114
oct12353362
95138278
102742002
11160311a
12b02982
137500b3
145153b4
153926a2
hex29d6f2

2742002 has 4 divisors (see below), whose sum is σ = 4113006. Its totient is φ = 1371000.

The previous prime is 2741993. The next prime is 2742007. The reversal of 2742002 is 2002472.

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

It can be written as a sum of positive squares in only one way, i.e., 2719201 + 22801 = 1649^2 + 151^2 .

It is not an unprimeable number, because it can be changed into a prime (2742007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685499 + ... + 685502.

22742002 is an apocalyptic number.

2742002 is a deficient number, since it is larger than the sum of its proper divisors (1371004).

2742002 is a wasteful number, since it uses less digits than its factorization.

2742002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371003.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2742002 is about 1655.8991515186. The cubic root of 2742002 is about 139.9660121576.

Adding to 2742002 its reverse (2002472), we get a palindrome (4744474).

The spelling of 2742002 in words is "two million, seven hundred forty-two thousand, two".

Divisors: 1 2 1371001 2742002