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345331869 = 3671718069
BaseRepresentation
bin10100100101010…
…101100010011101
3220001210200021020
4110211111202131
51201401104434
654133354353
711362162311
oct2445254235
9801720236
10345331869
11167a26a43
12977989b9
13567104ac
1433c13b41
15204b5849
hex1495589d

345331869 has 8 divisors (see below), whose sum is σ = 467315040. Its totient is φ = 226784976.

The previous prime is 345331853. The next prime is 345331879. The reversal of 345331869 is 968133543.

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

It is not a de Polignac number, because 345331869 - 24 = 345331853 is a prime.

It is a super-2 number, since 2×3453318692 = 238508199494066322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345331869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345331879) 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, 858834 + ... + 859235.

It is an arithmetic number, because the mean of its divisors is an integer number (58414380).

Almost surely, 2345331869 is an apocalyptic number.

It is an amenable number.

345331869 is a deficient number, since it is larger than the sum of its proper divisors (121983171).

345331869 is a wasteful number, since it uses less digits than its factorization.

345331869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718139.

The product of its digits is 233280, while the sum is 42.

The square root of 345331869 is about 18583.1070868141. The cubic root of 345331869 is about 701.5827241512.

The spelling of 345331869 in words is "three hundred forty-five million, three hundred thirty-one thousand, eight hundred sixty-nine".

Divisors: 1 3 67 201 1718069 5154207 115110623 345331869