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340024145 = 573931573
BaseRepresentation
bin10100010001000…
…101101101010001
3212200211000102212
4110101011231101
51144021233040
653423521505
711266105016
oct2421055521
9780730385
10340024145
11164a3119a
1295a59295
13555a2626
143323170d
151ecb7d65
hex14445b51

340024145 has 8 divisors (see below), whose sum is σ = 413618856. Its totient is φ = 268292736.

The previous prime is 340024141. The next prime is 340024169. The reversal of 340024145 is 541420043.

It can be written as a sum of positive squares in 4 ways, for example, as 8456464 + 331567681 = 2908^2 + 18209^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 340024145 - 22 = 340024141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340024145.

It is not an unprimeable number, because it can be changed into a prime (340024141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465422 + ... + 466151.

It is an arithmetic number, because the mean of its divisors is an integer number (51702357).

Almost surely, 2340024145 is an apocalyptic number.

It is an amenable number.

340024145 is a deficient number, since it is larger than the sum of its proper divisors (73594711).

340024145 is an equidigital number, since it uses as much as digits as its factorization.

340024145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931651.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 340024145 is about 18439.7436262004. The cubic root of 340024145 is about 697.9697259470.

Adding to 340024145 its reverse (541420043), we get a palindrome (881444188).

The spelling of 340024145 in words is "three hundred forty million, twenty-four thousand, one hundred forty-five".

Divisors: 1 5 73 365 931573 4657865 68004829 340024145