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5402427 = 31800809
BaseRepresentation
bin10100100110111100111011
3101011110201220
4110212330323
52340334202
6311443123
763630342
oct24467473
911143656
105402427
11305aa18
1219864a3
131172004
14a08b59
1571aabc
hex526f3b

5402427 has 4 divisors (see below), whose sum is σ = 7203240. Its totient is φ = 3601616.

The previous prime is 5402393. The next prime is 5402429. The reversal of 5402427 is 7242045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5402427 - 212 = 5398331 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5402397 and 5402406.

It is not an unprimeable number, because it can be changed into a prime (5402429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900402 + ... + 900407.

It is an arithmetic number, because the mean of its divisors is an integer number (1800810).

Almost surely, 25402427 is an apocalyptic number.

5402427 is a deficient number, since it is larger than the sum of its proper divisors (1800813).

5402427 is a wasteful number, since it uses less digits than its factorization.

5402427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800812.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 5402427 is about 2324.3121563164. The cubic root of 5402427 is about 175.4673440266.

The spelling of 5402427 in words is "five million, four hundred two thousand, four hundred twenty-seven".

Divisors: 1 3 1800809 5402427