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2420031 = 3839719
BaseRepresentation
bin1001001110110100111111
311112221122210
421032310333
51104420111
6123511503
726366325
oct11166477
94487583
102420031
111403229
12988593
13669693
1446dd15
1532c0a6
hex24ed3f

2420031 has 8 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 1593752.

The previous prime is 2420017. The next prime is 2420051. The reversal of 2420031 is 1300242.

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 2420031 - 210 = 2419007 is a prime.

It is a super-2 number, since 2×24200312 = 11713100081922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2419989 and 2420016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420051) 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, 4611 + ... + 5108.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

22420031 is an apocalyptic number.

2420031 is a deficient number, since it is larger than the sum of its proper divisors (845889).

2420031 is an equidigital number, since it uses as much as digits as its factorization.

2420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2420031 is about 1555.6448823559. The cubic root of 2420031 is about 134.2580421650.

Adding to 2420031 its reverse (1300242), we get a palindrome (3720273).

The spelling of 2420031 in words is "two million, four hundred twenty thousand, thirty-one".

Divisors: 1 3 83 249 9719 29157 806677 2420031