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1424293 = 133312
BaseRepresentation
bin101011011101110100101
32200100202121
411123232211
5331034133
650305541
715051313
oct5335645
92610677
101424293
11893102
125882b1
133ab3a0
142910b3
151d202d
hex15bba5

1424293 has 6 divisors (see below), whose sum is σ = 1538502. Its totient is φ = 1310760.

The previous prime is 1424263. The next prime is 1424317. The reversal of 1424293 is 3924241.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 438244 = 993^2 + 662^2 .

It is not a de Polignac number, because 1424293 - 25 = 1424261 is a prime.

It is a super-2 number, since 2×14242932 = 4057221099698, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 44 + 213 + 410 + 217 + 95 + 311 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4138 + ... + 4468.

It is an arithmetic number, because the mean of its divisors is an integer number (256417).

21424293 is an apocalyptic number.

1424293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1424293 is a deficient number, since it is larger than the sum of its proper divisors (114209).

1424293 is an frugal number, since it uses more digits than its factorization.

1424293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 344 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 1424293 is about 1193.4374721786. The cubic root of 1424293 is about 112.5122422891.

The spelling of 1424293 in words is "one million, four hundred twenty-four thousand, two hundred ninety-three".

Divisors: 1 13 331 4303 109561 1424293