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2420272743 = 37223516821
BaseRepresentation
bin1001000001000010…
…0110111001100111
320020200011121001020
42100100212321213
514424042211433
61040054502223
7113655656520
oct22020467147
96220147036
102420272743
1110321a9809
12576664973
132c7566265
1418d619847
15e272ccb3
hex90426e67

2420272743 has 16 divisors (see below), whose sum is σ = 3704580096. Its totient is φ = 1376808480.

The previous prime is 2420272739. The next prime is 2420272781. The reversal of 2420272743 is 3472720242.

It is not a de Polignac number, because 2420272743 - 22 = 2420272739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420271743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253728 + ... + 263093.

It is an arithmetic number, because the mean of its divisors is an integer number (231536256).

Almost surely, 22420272743 is an apocalyptic number.

2420272743 is a deficient number, since it is larger than the sum of its proper divisors (1284307353).

2420272743 is a wasteful number, since it uses less digits than its factorization.

2420272743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517054.

The product of its (nonzero) digits is 37632, while the sum is 33.

The square root of 2420272743 is about 49196.2675718392. The cubic root of 2420272743 is about 1342.6251247428.

Adding to 2420272743 its reverse (3472720242), we get a palindrome (5892992985).

The spelling of 2420272743 in words is "two billion, four hundred twenty million, two hundred seventy-two thousand, seven hundred forty-three".

Divisors: 1 3 7 21 223 669 1561 4683 516821 1550463 3617747 10853241 115251083 345753249 806757581 2420272743