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344545143 = 3293960289
BaseRepresentation
bin10100100010010…
…101011101110111
3220000022201002020
4110202111131313
51201200421033
654104444223
711352404535
oct2442253567
9800281066
10344545143
11167539958
1297479673
13564c6387
1433a8b155
15203ac6b3
hex14895777

344545143 has 8 divisors (see below), whose sum is σ = 475234800. Its totient is φ = 221776128.

The previous prime is 344545127. The next prime is 344545169. The reversal of 344545143 is 341545443.

It is a happy number.

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

It is not a de Polignac number, because 344545143 - 24 = 344545127 is a prime.

It is a super-2 number, since 2×3445451432 = 237422711129780898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344545193) 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, 1980058 + ... + 1980231.

It is an arithmetic number, because the mean of its divisors is an integer number (59404350).

Almost surely, 2344545143 is an apocalyptic number.

344545143 is a deficient number, since it is larger than the sum of its proper divisors (130689657).

344545143 is a wasteful number, since it uses less digits than its factorization.

344545143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960321.

The product of its digits is 57600, while the sum is 33.

The square root of 344545143 is about 18561.9272436889. The cubic root of 344545143 is about 701.0495432705.

The spelling of 344545143 in words is "three hundred forty-four million, five hundred forty-five thousand, one hundred forty-three".

Divisors: 1 3 29 87 3960289 11880867 114848381 344545143