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2420272742 = 24312807741
BaseRepresentation
bin1001000001000010…
…0110111001100110
320020200011121001012
42100100212321212
514424042211432
61040054502222
7113655656516
oct22020467146
96220147035
102420272742
1110321a9808
12576664972
132c7566264
1418d619846
15e272ccb2
hex90426e66

2420272742 has 8 divisors (see below), whose sum is σ = 3638833632. Its totient is φ = 1207328200.

The previous prime is 2420272739. The next prime is 2420272781. The reversal of 2420272742 is 2472720242.

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

It is a junction number, because it is equal to n+sod(n) for n = 2420272699 and 2420272708.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1403009 + ... + 1404732.

It is an arithmetic number, because the mean of its divisors is an integer number (454854204).

Almost surely, 22420272742 is an apocalyptic number.

2420272742 is a deficient number, since it is larger than the sum of its proper divisors (1218560890).

2420272742 is a wasteful number, since it uses less digits than its factorization.

2420272742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808174.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 2420272742 is about 49196.2675616759. The cubic root of 2420272742 is about 1342.6251245578.

Adding to 2420272742 its reverse (2472720242), we get a palindrome (4892992984).

The spelling of 2420272742 in words is "two billion, four hundred twenty million, two hundred seventy-two thousand, seven hundred forty-two".

Divisors: 1 2 431 862 2807741 5615482 1210136371 2420272742