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2042042 = 21815641
BaseRepresentation
bin111110010100010111010
310211202011012
413302202322
51010321132
6111433522
723233322
oct7624272
93752135
102042042
111175242
128258a2
13566612
143b2282
152a50b2
hex1f28ba

2042042 has 8 divisors (see below), whose sum is σ = 3080532. Its totient is φ = 1015200.

The previous prime is 2042039. The next prime is 2042059. The reversal of 2042042 is 2402402.

It is a happy number.

It is a Cunningham number, because it is equal to 14292+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 1 = 1429^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2459 + ... + 3182.

22042042 is an apocalyptic number.

2042042 is a deficient number, since it is larger than the sum of its proper divisors (1038490).

2042042 is a wasteful number, since it uses less digits than its factorization.

2042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2042042 is about 1429.0003498950. Note that the first 3 decimals coincide. The cubic root of 2042042 is about 126.8688169473.

Adding to 2042042 its reverse (2402402), we get a palindrome (4444444).

The spelling of 2042042 in words is "two million, forty-two thousand, forty-two", and thus it is an eban number.

Divisors: 1 2 181 362 5641 11282 1021021 2042042