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340024401 = 3237780489
BaseRepresentation
bin10100010001000…
…101110001010001
3212200211000210100
4110101011301101
51144021240101
653423523013
711266105533
oct2421056121
9780730710
10340024401
11164a31402
1295a59469
13555a2792
1433231853
151ecb7e86
hex14445c51

340024401 has 6 divisors (see below), whose sum is σ = 491146370. Its totient is φ = 226682928.

The previous prime is 340024351. The next prime is 340024403. The reversal of 340024401 is 104420043.

It can be written as a sum of positive squares in only one way, i.e., 306950400 + 33074001 = 17520^2 + 5751^2 .

It is not a de Polignac number, because 340024401 - 29 = 340023889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340024403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18890236 + ... + 18890253.

Almost surely, 2340024401 is an apocalyptic number.

It is an amenable number.

340024401 is a deficient number, since it is larger than the sum of its proper divisors (151121969).

340024401 is a wasteful number, since it uses less digits than its factorization.

340024401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37780495 (or 37780492 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 340024401 is about 18439.7505677273. The cubic root of 340024401 is about 697.9699011112.

Adding to 340024401 its reverse (104420043), we get a palindrome (444444444).

The spelling of 340024401 in words is "three hundred forty million, twenty-four thousand, four hundred one".

Divisors: 1 3 9 37780489 113341467 340024401