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340031401 = 4343918013
BaseRepresentation
bin10100010001000…
…111011110101001
3212200211101101121
4110101013132221
51144022001101
653424015241
711266135123
oct2421073651
9780741347
10340031401
11164a36696
1295a61521
13555a5a18
1433234213
151ecba0a1
hex144477a9

340031401 has 8 divisors (see below), whose sum is σ = 348751040. Its totient is φ = 331348752.

The previous prime is 340031389. The next prime is 340031407. The reversal of 340031401 is 104130043.

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 340031401 - 27 = 340031273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340031407) 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, 9871 + ... + 27883.

It is an arithmetic number, because the mean of its divisors is an integer number (43593880).

Almost surely, 2340031401 is an apocalyptic number.

It is an amenable number.

340031401 is a deficient number, since it is larger than the sum of its proper divisors (8719639).

340031401 is a wasteful number, since it uses less digits than its factorization.

340031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18495.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 340031401 is about 18439.9403740902. The cubic root of 340031401 is about 697.9746907241.

Adding to 340031401 its reverse (104130043), we get a palindrome (444161444).

The spelling of 340031401 in words is "three hundred forty million, thirty-one thousand, four hundred one".

Divisors: 1 43 439 18013 18877 774559 7907707 340031401