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3440440442 = 21720220221
BaseRepresentation
bin1100110100010000…
…1111010001111010
322212202210111001002
43031010033101322
524021223043232
61325220325002
7151154155415
oct31504172172
98782714032
103440440442
11150604790a
12800243762
1342aa14c9a
14248cd6b7c
15152094b62
hexcd10f47a

3440440442 has 4 divisors (see below), whose sum is σ = 5160660666. Its totient is φ = 1720220220.

The previous prime is 3440440439. The next prime is 3440440469. The reversal of 3440440442 is 2440440443.

It is a happy number.

3440440442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 3334947001 + 105493441 = 57749^2 + 10271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860110109 + ... + 860110112.

Almost surely, 23440440442 is an apocalyptic number.

3440440442 is a deficient number, since it is larger than the sum of its proper divisors (1720220224).

3440440442 is a wasteful number, since it uses less digits than its factorization.

3440440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720220223.

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 3440440442 is about 58655.2678111694. The cubic root of 3440440442 is about 1509.6328862082.

Adding to 3440440442 its reverse (2440440443), we get a palindrome (5880880885).

Subtracting from 3440440442 its reverse (2440440443), we obtain a palindrome (999999999).

The spelling of 3440440442 in words is "three billion, four hundred forty million, four hundred forty thousand, four hundred forty-two".

Divisors: 1 2 1720220221 3440440442