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614290243 = 73719312289
BaseRepresentation
bin100100100111010…
…101001101000011
31120210220011210111
4210213111031003
52224224241433
6140542212151
721136244440
oct4447251503
91523804714
10614290243
11295829396
12151884057
139a360168
145b8269c7
1538de1dcd
hex249d5343

614290243 has 16 divisors (see below), whose sum is σ = 724815040. Its totient is φ = 509607936.

The previous prime is 614290219. The next prime is 614290277. The reversal of 614290243 is 342092416.

It is a happy number.

It is a 21-Lehmer number, since φ(614290243) divides (614290243-1)21.

It is a cyclic number.

It is not a de Polignac number, because 614290243 - 25 = 614290211 is a prime.

It is a Duffinian number.

614290243 is a modest number, since divided by 90243 gives 6142 as remainder.

It is not an unprimeable number, because it can be changed into a prime (614290543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43843 + ... + 56131.

It is an arithmetic number, because the mean of its divisors is an integer number (45300940).

Almost surely, 2614290243 is an apocalyptic number.

614290243 is a deficient number, since it is larger than the sum of its proper divisors (110524797).

614290243 is a wasteful number, since it uses less digits than its factorization.

614290243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12526.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 614290243 is about 24784.8793218769. The cubic root of 614290243 is about 850.0762298415.

The spelling of 614290243 in words is "six hundred fourteen million, two hundred ninety thousand, two hundred forty-three".

Divisors: 1 7 37 193 259 1351 7141 12289 49987 86023 454693 2371777 3182851 16602439 87755749 614290243