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2445556141 = 7249909309
BaseRepresentation
bin1001000111000100…
…0011100110101101
320022102202010100101
42101301003212231
520002030244031
61042400431101
7114413612200
oct22161034655
96272663311
102445556141
1110454a8586
12583018491
132cc879452
14192b1b937
15e4a74361
hex91c439ad

2445556141 has 6 divisors (see below), whose sum is σ = 2844830670. Its totient is φ = 2096190936.

The previous prime is 2445556129. The next prime is 2445556171. The reversal of 2445556141 is 1416555442.

It can be written as a sum of positive squares in only one way, i.e., 2115080100 + 330476041 = 45990^2 + 18179^2 .

It is not a de Polignac number, because 2445556141 - 223 = 2437167533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2445556141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445556171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24954606 + ... + 24954703.

It is an arithmetic number, because the mean of its divisors is an integer number (474138445).

Almost surely, 22445556141 is an apocalyptic number.

It is an amenable number.

2445556141 is a deficient number, since it is larger than the sum of its proper divisors (399274529).

2445556141 is an equidigital number, since it uses as much as digits as its factorization.

2445556141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49909323 (or 49909316 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 2445556141 is about 49452.5645543282. The cubic root of 2445556141 is about 1347.2841864978.

The spelling of 2445556141 in words is "two billion, four hundred forty-five million, five hundred fifty-six thousand, one hundred forty-one".

Divisors: 1 7 49 49909309 349365163 2445556141