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2481242 = 21240621
BaseRepresentation
bin1001011101110001011010
311200001121212
421131301122
51113344432
6125103122
730042641
oct11356132
94601555
102481242
111445215
129b7aa2
1368b4ba
14488358
153402b2
hex25dc5a

2481242 has 4 divisors (see below), whose sum is σ = 3721866. Its totient is φ = 1240620.

The previous prime is 2481239. The next prime is 2481247. The reversal of 2481242 is 2421842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421842 = 21210921.

It can be written as a sum of positive squares in only one way, i.e., 2436721 + 44521 = 1561^2 + 211^2 .

It is not an unprimeable number, because it can be changed into a prime (2481247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620309 + ... + 620312.

22481242 is an apocalyptic number.

2481242 is a deficient number, since it is larger than the sum of its proper divisors (1240624).

2481242 is a wasteful number, since it uses less digits than its factorization.

2481242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240623.

The product of its digits is 1024, while the sum is 23.

The square root of 2481242 is about 1575.1958608376. The cubic root of 2481242 is about 135.3805813225.

The spelling of 2481242 in words is "two million, four hundred eighty-one thousand, two hundred forty-two".

Divisors: 1 2 1240621 2481242