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5423405 = 51383437
BaseRepresentation
bin10100101100000100101101
3101012112111212
4110230010231
52342022110
6312124205
764045451
oct24540455
911175455
105423405
113074759
121996665
13117b720
14a12661
15721e05
hex52c12d

5423405 has 8 divisors (see below), whose sum is σ = 7008792. Its totient is φ = 4004928.

The previous prime is 5423401. The next prime is 5423441. The reversal of 5423405 is 5043245.

It can be written as a sum of positive squares in 4 ways, for example, as 174724 + 5248681 = 418^2 + 2291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5423405 - 22 = 5423401 is a prime.

It is a d-powerful number, because it can be written as 53 + 410 + 27 + 311 + 411 + 0 + 55 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41654 + ... + 41783.

It is an arithmetic number, because the mean of its divisors is an integer number (876099).

Almost surely, 25423405 is an apocalyptic number.

It is an amenable number.

5423405 is a deficient number, since it is larger than the sum of its proper divisors (1585387).

5423405 is a wasteful number, since it uses less digits than its factorization.

5423405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83455.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 5423405 is about 2328.8205169141. The cubic root of 5423405 is about 175.6941679910.

It can be divided in two parts, 5 and 423405, that multiplied together give a square (2117025 = 14552).

The spelling of 5423405 in words is "five million, four hundred twenty-three thousand, four hundred five".

Divisors: 1 5 13 65 83437 417185 1084681 5423405