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3145332242 = 213120974317
BaseRepresentation
bin1011101101111001…
…1111011000010010
322010012111102200202
42323132133120102
522420201112432
61240035215202
7140641611563
oct27336373022
98105442622
103145332242
111374504738
12739447502
133b183a950
1421ba3816a
15136200462
hexbb79f612

3145332242 has 8 divisors (see below), whose sum is σ = 5080921356. Its totient is φ = 1451691792.

The previous prime is 3145332233. The next prime is 3145332247. The reversal of 3145332242 is 2422335413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3030392401 + 114939841 = 55049^2 + 10721^2 .

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

It is a super-2 number, since 2×31453322422 = 19786229825129493128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3145332247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60487133 + ... + 60487184.

Almost surely, 23145332242 is an apocalyptic number.

3145332242 is a deficient number, since it is larger than the sum of its proper divisors (1935589114).

3145332242 is a wasteful number, since it uses less digits than its factorization.

3145332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120974332.

The product of its digits is 17280, while the sum is 29.

The square root of 3145332242 is about 56083.2616918809. The cubic root of 3145332242 is about 1465.1727817895.

Adding to 3145332242 its reverse (2422335413), we get a palindrome (5567667655).

The spelling of 3145332242 in words is "three billion, one hundred forty-five million, three hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 13 26 120974317 241948634 1572666121 3145332242