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314143442 = 2179239513
BaseRepresentation
bin10010101110010…
…111001011010010
3210220010010210022
4102232113023102
51120410042232
651101103442
710533114044
oct2256271322
9726103708
10314143442
11151364688
1289257b82
13501105c2
142da15a94
151c8a4812
hex12b972d2

314143442 has 8 divisors (see below), whose sum is σ = 498933756. Its totient is φ = 147832192.

The previous prime is 314143439. The next prime is 314143447. The reversal of 314143442 is 244341413.

It can be written as a sum of positive squares in 2 ways, for example, as 308037601 + 6105841 = 17551^2 + 2471^2 .

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

It is a super-2 number, since 2×3141434422 = 197372204303214728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (314143447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4619723 + ... + 4619790.

Almost surely, 2314143442 is an apocalyptic number.

314143442 is a deficient number, since it is larger than the sum of its proper divisors (184790314).

314143442 is a wasteful number, since it uses less digits than its factorization.

314143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239532.

The product of its digits is 4608, while the sum is 26.

The square root of 314143442 is about 17724.0921347188. The cubic root of 314143442 is about 679.7919216291.

Adding to 314143442 its reverse (244341413), we get a palindrome (558484855).

The spelling of 314143442 in words is "three hundred fourteen million, one hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 17 34 9239513 18479026 157071721 314143442