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2530311404 = 221261950129
BaseRepresentation
bin1001011011010001…
…0111110011101100
320112100020010201012
42112310113303230
520140224431104
61055025204352
7116463202115
oct22664276354
96470203635
102530311404
111089327455
125a74906b8
133142b30aa
141a00a120c
15ec216d6e
hex96d17cec

2530311404 has 12 divisors (see below), whose sum is σ = 4428484200. Its totient is φ = 1265030208.

The previous prime is 2530311389. The next prime is 2530311409. The reversal of 2530311404 is 4041130352.

It is a self number, because there is not a number n which added to its sum of digits gives 2530311404.

It is not an unprimeable number, because it can be changed into a prime (2530311409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25412 + ... + 75540.

It is an arithmetic number, because the mean of its divisors is an integer number (369040350).

Almost surely, 22530311404 is an apocalyptic number.

It is an amenable number.

2530311404 is a deficient number, since it is larger than the sum of its proper divisors (1898172796).

2530311404 is a wasteful number, since it uses less digits than its factorization.

2530311404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62752 (or 62750 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2530311404 is about 50302.2007868443. The cubic root of 2530311404 is about 1362.6719751949.

Adding to 2530311404 its reverse (4041130352), we get a palindrome (6571441756).

The spelling of 2530311404 in words is "two billion, five hundred thirty million, three hundred eleven thousand, four hundred four".

Divisors: 1 2 4 12619 25238 50129 50476 100258 200516 632577851 1265155702 2530311404