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3125440450 = 2521113674157
BaseRepresentation
bin1011101001001010…
…0110111111000010
322001211001211021201
42322102212333002
522400103043300
61234045011414
7140310543166
oct27222467702
98054054251
103125440450
111364258740
12732853b6a
133aa694862
1421913aca6
151345c166a
hexba4a6fc2

3125440450 has 48 divisors (see below), whose sum is σ = 6347968704. Its totient is φ = 1135419200.

The previous prime is 3125440441. The next prime is 3125440457. The reversal of 3125440450 is 540445213.

It is not an unprimeable number, because it can be changed into a prime (3125440457) 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 23 ways as a sum of consecutive naturals, for example, 749772 + ... + 753928.

It is an arithmetic number, because the mean of its divisors is an integer number (132249348).

Almost surely, 23125440450 is an apocalyptic number.

3125440450 is an abundant number, since it is smaller than the sum of its proper divisors (3222528254).

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

3125440450 is a wasteful number, since it uses less digits than its factorization.

3125440450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547 (or 5542 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3125440450 is about 55905.6388032549. The cubic root of 3125440450 is about 1462.0775530057.

Adding to 3125440450 its reverse (540445213), we get a palindrome (3665885663).

The spelling of 3125440450 in words is "three billion, one hundred twenty-five million, four hundred forty thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 1367 2734 4157 6835 8314 13670 15037 20785 30074 34175 41570 45727 68350 75185 91454 103925 150370 207850 228635 375925 457270 751850 1143175 2286350 5682619 11365238 28413095 56826190 62508809 125017618 142065475 284130950 312544045 625088090 1562720225 3125440450