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2530145445 = 3517311013169
BaseRepresentation
bin1001011011001110…
…1111010010100101
320112022220201001120
42112303233102211
520140204123240
61055021444153
7116461611222
oct22663572245
96468821046
102530145445
1110892237a3
125a7410659
133142556a9
141a005a949
15ec1d2ad0
hex96cef4a5

2530145445 has 64 divisors (see below), whose sum is σ = 4469852160. Its totient is φ = 1216512000.

The previous prime is 2530145441. The next prime is 2530145461. The reversal of 2530145445 is 5445410352.

It is not a de Polignac number, because 2530145445 - 22 = 2530145441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530145441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 796821 + ... + 799989.

It is an arithmetic number, because the mean of its divisors is an integer number (69841440).

Almost surely, 22530145445 is an apocalyptic number.

It is an amenable number.

2530145445 is a deficient number, since it is larger than the sum of its proper divisors (1939706715).

2530145445 is a wasteful number, since it uses less digits than its factorization.

2530145445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2530145445 is about 50300.5511401217. The cubic root of 2530145445 is about 1362.6421827325.

Adding to 2530145445 its reverse (5445410352), we get a palindrome (7975555797).

The spelling of 2530145445 in words is "two billion, five hundred thirty million, one hundred forty-five thousand, four hundred forty-five".

Divisors: 1 3 5 15 17 31 51 85 93 101 155 255 303 465 505 527 1515 1581 1717 2635 3131 3169 5151 7905 8585 9393 9507 15655 15845 25755 46965 47535 53227 53873 98239 159681 161619 266135 269365 294717 320069 491195 798405 808095 960207 1473585 1600345 1670063 4801035 5010189 5441173 8350315 9922139 16323519 25050945 27205865 29766417 49610695 81617595 148832085 168676363 506029089 843381815 2530145445