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2420332531 = 5714238761
BaseRepresentation
bin1001000001000011…
…0101011111110011
320020200021122001121
42100100311133303
514424101120111
61040100043111
7113656326031
oct22020653763
96220248047
102420332531
11103223a721
12576693497
132c7587536
1418d633551
15e2740871
hex904357f3

2420332531 has 4 divisors (see below), whose sum is σ = 2424571864. Its totient is φ = 2416093200.

The previous prime is 2420332511. The next prime is 2420332553. The reversal of 2420332531 is 1352330242.

2420332531 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.

It is a cyclic number.

It is not a de Polignac number, because 2420332531 - 211 = 2420330483 is a prime.

It is a super-2 number, since 2×24203325312 = 11716019121233731922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420332496 and 2420332505.

It is not an unprimeable number, because it can be changed into a prime (2420332501) 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, 2118810 + ... + 2119951.

It is an arithmetic number, because the mean of its divisors is an integer number (606142966).

Almost surely, 22420332531 is an apocalyptic number.

2420332531 is a deficient number, since it is larger than the sum of its proper divisors (4239333).

2420332531 is an equidigital number, since it uses as much as digits as its factorization.

2420332531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239332.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2420332531 is about 49196.8752158102. The cubic root of 2420332531 is about 1342.6361802750.

Adding to 2420332531 its reverse (1352330242), we get a palindrome (3772662773).

The spelling of 2420332531 in words is "two billion, four hundred twenty million, three hundred thirty-two thousand, five hundred thirty-one".

Divisors: 1 571 4238761 2420332531