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2712442 = 21356221
BaseRepresentation
bin1010010110001101111010
312002210202211
422112031322
51143244232
6134045334
732024665
oct12261572
95083684
102712442
111592997
12aa984a
1373c7c5
145086dc
15388a47
hex29637a

2712442 has 4 divisors (see below), whose sum is σ = 4068666. Its totient is φ = 1356220.

The previous prime is 2712431. The next prime is 2712443. The reversal of 2712442 is 2442172.

It is a happy number.

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., 2430481 + 281961 = 1559^2 + 531^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2712443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678109 + ... + 678112.

22712442 is an apocalyptic number.

2712442 is a deficient number, since it is larger than the sum of its proper divisors (1356224).

2712442 is a wasteful number, since it uses less digits than its factorization.

2712442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356223.

The product of its digits is 896, while the sum is 22.

The square root of 2712442 is about 1646.9493009805. The cubic root of 2712442 is about 139.4612285892.

The spelling of 2712442 in words is "two million, seven hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 1356221 2712442