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345007053 = 3367190717
BaseRepresentation
bin10100100100000…
…110001111001101
3220001012011201000
4110210012033031
51201310211203
654122410513
711356340316
oct2444061715
9801164630
10345007053
111678249a6
1297660a39
13566286b1
1433b6b60d
152044e4a3
hex149063cd

345007053 has 16 divisors (see below), whose sum is σ = 518752960. Its totient is φ = 226570608.

The previous prime is 345007009. The next prime is 345007079. The reversal of 345007053 is 350700543.

It is a happy number.

It is not a de Polignac number, because 345007053 - 26 = 345006989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345007093) 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, 93550 + ... + 97167.

It is an arithmetic number, because the mean of its divisors is an integer number (32422060).

Almost surely, 2345007053 is an apocalyptic number.

It is an amenable number.

345007053 is a deficient number, since it is larger than the sum of its proper divisors (173745907).

345007053 is a wasteful number, since it uses less digits than its factorization.

345007053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190793 (or 190787 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 345007053 is about 18574.3654804141. The cubic root of 345007053 is about 701.3626877158.

Adding to 345007053 its reverse (350700543), we get a palindrome (695707596).

The spelling of 345007053 in words is "three hundred forty-five million, seven thousand, fifty-three".

Divisors: 1 3 9 27 67 201 603 1809 190717 572151 1716453 5149359 12778039 38334117 115002351 345007053