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340172269 = 3143255193
BaseRepresentation
bin10100010001101…
…001110111101101
3212201002112121221
4110101221313231
51144041003034
653431023341
711300262613
oct2421516755
9781075557
10340172269
11165022508
1295b0ab51
1355624b88
143326d6b3
151ece6bb4
hex14469ded

340172269 has 8 divisors (see below), whose sum is σ = 359313152. Its totient is φ = 321541920.

The previous prime is 340172251. The next prime is 340172299. The reversal of 340172269 is 962271043.

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

It is not a de Polignac number, because 340172269 - 25 = 340172237 is a prime.

It is a super-2 number, since 2×3401722692 = 231434345193216722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340172299) 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, 126264 + ... + 128929.

It is an arithmetic number, because the mean of its divisors is an integer number (44914144).

Almost surely, 2340172269 is an apocalyptic number.

It is an amenable number.

340172269 is a deficient number, since it is larger than the sum of its proper divisors (19140883).

340172269 is a wasteful number, since it uses less digits than its factorization.

340172269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255267.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 340172269 is about 18443.7596221595. The cubic root of 340172269 is about 698.0710629258.

The spelling of 340172269 in words is "three hundred forty million, one hundred seventy-two thousand, two hundred sixty-nine".

Divisors: 1 31 43 1333 255193 7910983 10973299 340172269