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345330454 = 27412812141
BaseRepresentation
bin10100100101010…
…101001100010110
3220001210121022211
4110211111030112
51201401033304
654133344034
711362155220
oct2445251426
9801717284
10345330454
11167a25977
129779801a
135670c961
1433c13410
15204b5204
hex14955316

345330454 has 32 divisors (see below), whose sum is σ = 608876352. Its totient is φ = 143808000.

The previous prime is 345330451. The next prime is 345330473. The reversal of 345330454 is 454033543.

It is a super-2 number, since 2×3453304542 = 238506244919692232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345330451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160224 + ... + 162364.

It is an arithmetic number, because the mean of its divisors is an integer number (19027386).

Almost surely, 2345330454 is an apocalyptic number.

345330454 is a deficient number, since it is larger than the sum of its proper divisors (263545898).

345330454 is a wasteful number, since it uses less digits than its factorization.

345330454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 345330454 is about 18583.0690145627. The cubic root of 345330454 is about 701.5817659030.

Adding to 345330454 its reverse (454033543), we get a palindrome (799363997).

The spelling of 345330454 in words is "three hundred forty-five million, three hundred thirty thousand, four hundred fifty-four".

Divisors: 1 2 7 14 41 82 281 287 562 574 1967 2141 3934 4282 11521 14987 23042 29974 80647 87781 161294 175562 601621 614467 1203242 1228934 4211347 8422694 24666461 49332922 172665227 345330454