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2540051404 = 2211193837933
BaseRepresentation
bin1001011101100110…
…0001101111001100
320120000112222110221
42113121201233030
520200223121104
61100014041124
7116642036452
oct22731415714
96500488427
102540051404
11109387a240
125aa7a91a4
133163134c7
141a14b89d2
15ecedcc54
hex97661bcc

2540051404 has 48 divisors (see below), whose sum is σ = 5118382080. Its totient is φ = 1090808640.

The previous prime is 2540051401. The next prime is 2540051411. The reversal of 2540051404 is 4041500452.

It is a happy number.

It is a super-2 number, since 2×25400514042 = 12903722269924742432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2540051401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316222 + ... + 324154.

It is an arithmetic number, because the mean of its divisors is an integer number (106632960).

Almost surely, 22540051404 is an apocalyptic number.

It is an amenable number.

2540051404 is an abundant number, since it is smaller than the sum of its proper divisors (2578330676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2540051404 is a wasteful number, since it uses less digits than its factorization.

2540051404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350 (or 8348 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2540051404 is about 50398.9226472154. The cubic root of 2540051404 is about 1364.4181939104.

Adding to 2540051404 its reverse (4041500452), we get a palindrome (6581551856).

The spelling of 2540051404 in words is "two billion, five hundred forty million, fifty-one thousand, four hundred four".

Divisors: 1 2 4 11 19 22 38 44 76 209 383 418 766 836 1532 4213 7277 7933 8426 14554 15866 16852 29108 31732 80047 87263 150727 160094 174526 301454 320188 349052 602908 1657997 3038339 3315994 6076678 6631988 12153356 33421729 57728441 66843458 115456882 133686916 230913764 635012851 1270025702 2540051404