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3000252805 = 511278919559
BaseRepresentation
bin1011001011010100…
…0011100110000101
321202002111122010021
42302311003212011
522121031042210
61213413455141
7134230504504
oct26265034605
97662448107
103000252805
1112aa623380
126b89414b1
1338a772624
1420667083b
151285e3bda
hexb2d43985

3000252805 has 16 divisors (see below), whose sum is σ = 3929212800. Its totient is φ = 2181108160.

The previous prime is 3000252793. The next prime is 3000252809. The reversal of 3000252805 is 5082520003.

It is not a de Polignac number, because 3000252805 - 213 = 3000244613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3000252805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000252809) 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, 143616 + ... + 163174.

It is an arithmetic number, because the mean of its divisors is an integer number (245575800).

Almost surely, 23000252805 is an apocalyptic number.

It is an amenable number.

3000252805 is a deficient number, since it is larger than the sum of its proper divisors (928959995).

3000252805 is a wasteful number, since it uses less digits than its factorization.

3000252805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22364.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3000252805 is about 54774.5634852529. The cubic root of 3000252805 is about 1442.2900811587.

Adding to 3000252805 its reverse (5082520003), we get a palindrome (8082772808).

The spelling of 3000252805 in words is "three billion, two hundred fifty-two thousand, eight hundred five".

Divisors: 1 5 11 55 2789 13945 19559 30679 97795 153395 215149 1075745 54550051 272750255 600050561 3000252805