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2528250307 = 11661347717
BaseRepresentation
bin1001011010110010…
…0000100111000011
320112012100102102021
42112230200213003
520134213002212
61054513102311
7116436526102
oct22654404703
96465312367
102528250307
111088149970
125a6857997
13313a40bcb
1419dac6039
15ebe5b307
hex96b209c3

2528250307 has 8 divisors (see below), whose sum is σ = 2762271792. Its totient is φ = 2294925600.

The previous prime is 2528250271. The next prime is 2528250311. The reversal of 2528250307 is 7030528252.

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

It is not a de Polignac number, because 2528250307 - 223 = 2519861699 is a prime.

It is a super-2 number, since 2×25282503072 = 12784099229691188498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528250397) 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, 166588 + ... + 181129.

It is an arithmetic number, because the mean of its divisors is an integer number (345283974).

Almost surely, 22528250307 is an apocalyptic number.

2528250307 is a deficient number, since it is larger than the sum of its proper divisors (234021485).

2528250307 is a wasteful number, since it uses less digits than its factorization.

2528250307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348389.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2528250307 is about 50281.7094677578. The cubic root of 2528250307 is about 1362.3018808192.

Adding to 2528250307 its reverse (7030528252), we get a palindrome (9558778559).

The spelling of 2528250307 in words is "two billion, five hundred twenty-eight million, two hundred fifty thousand, three hundred seven".

Divisors: 1 11 661 7271 347717 3824887 229840937 2528250307