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345082247 = 1637512819
BaseRepresentation
bin10100100100011…
…000100110000111
3220001022222211222
4110210120212013
51201320112442
654124150555
711360102456
oct2444304607
9801288758
10345082247
11167876444
129769845b
13566539a3
1433b8ab9d
15204668d2
hex14918987

345082247 has 8 divisors (see below), whose sum is σ = 347784960. Its totient is φ = 342387000.

The previous prime is 345082229. The next prime is 345082259. The reversal of 345082247 is 742280543.

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

It is a cyclic number.

It is not a de Polignac number, because 345082247 - 214 = 345065863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345082207) 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, 121004 + ... + 123822.

It is an arithmetic number, because the mean of its divisors is an integer number (43473120).

Almost surely, 2345082247 is an apocalyptic number.

345082247 is a deficient number, since it is larger than the sum of its proper divisors (2702713).

345082247 is a wasteful number, since it uses less digits than its factorization.

345082247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 345082247 is about 18576.3895038837. The cubic root of 345082247 is about 701.4136378191.

The spelling of 345082247 in words is "three hundred forty-five million, eighty-two thousand, two hundred forty-seven".

Divisors: 1 163 751 2819 122413 459497 2117069 345082247