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2445401401 = 494512
BaseRepresentation
bin1001000111000001…
…1101110100111001
320022102110021002021
42101300131310321
520002010321101
61042353234441
7114412366102
oct22160356471
96272407067
102445401401
1110454022a3
12582b62a21
132cc823ba1
14192abb3a9
15e4a435a1
hex91c1dd39

2445401401 has 3 divisors (see below), whose sum is σ = 2445450853. Its totient is φ = 2445351950.

The previous prime is 2445401393. The next prime is 2445401407. The reversal of 2445401401 is 1041045442.

The square root of 2445401401 is 49451.

It is a perfect power (a square), and thus also a powerful number.

2445401401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2445401401 - 23 = 2445401393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445401407) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24726 + ... + 74176.

Almost surely, 22445401401 is an apocalyptic number.

2445401401 is the 49451-st square number.

2445401401 is the 24726-th centered octagonal number.

It is an amenable number.

2445401401 is a deficient number, since it is larger than the sum of its proper divisors (49452).

2445401401 is an frugal number, since it uses more digits than its factorization.

2445401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98902 (or 49451 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The cubic root of 2445401401 is about 1347.2557699005.

Multiplying 2445401401 by its sum of digits (25), we get a square (61135035025 = 2472552).

Adding to 2445401401 its reverse (1041045442), we get a palindrome (3486446843).

The spelling of 2445401401 in words is "two billion, four hundred forty-five million, four hundred one thousand, four hundred one".

Divisors: 1 49451 2445401401