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340046161 = 71331149809
BaseRepresentation
bin10100010001001…
…011000101010001
3212200212010122021
4110101023011101
51144022434121
653424211441
711266226140
oct2421130521
9780763567
10340046161
11164a46794
1295a69b81
13555ac660
1433239757
151ecbe641
hex1444b151

340046161 has 32 divisors (see below), whose sum is σ = 435456000. Its totient is φ = 258301440.

The previous prime is 340046137. The next prime is 340046221. The reversal of 340046161 is 161640043.

It is a cyclic number.

It is not a de Polignac number, because 340046161 - 27 = 340046033 is a prime.

It is a super-2 number, since 2×3400461612 = 231262783221675842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340040161) 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 31 ways as a sum of consecutive naturals, for example, 419925 + ... + 420733.

It is an arithmetic number, because the mean of its divisors is an integer number (13608000).

Almost surely, 2340046161 is an apocalyptic number.

340046161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

340046161 is a deficient number, since it is larger than the sum of its proper divisors (95409839).

340046161 is a wasteful number, since it uses less digits than its factorization.

340046161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 340046161 is about 18440.3405879610. The cubic root of 340046161 is about 697.9847897496.

The spelling of 340046161 in words is "three hundred forty million, forty-six thousand, one hundred sixty-one".

Divisors: 1 7 13 31 91 149 217 403 809 1043 1937 2821 4619 5663 10517 13559 25079 32333 60047 73619 120541 175553 326027 420329 843787 1567033 2282189 3736771 10969231 26157397 48578023 340046161