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4720287441 = 31573429147
BaseRepresentation
bin1000110010101100…
…11101111011010001
3110011222001110001210
410121112131323101
534131343144231
62100220050333
7224654531652
oct43126357321
913158043053
104720287441
11200252a901
12ab89939a9
135a2c14cbc
1432ac8d529
151c9603a46
hex11959ded1

4720287441 has 4 divisors (see below), whose sum is σ = 6293716592. Its totient is φ = 3146858292.

The previous prime is 4720287437. The next prime is 4720287563. The reversal of 4720287441 is 1447820274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4720287441 - 22 = 4720287437 is a prime.

It is a super-2 number, since 2×47202874412 = 44562227051324656962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4720287441.

It is not an unprimeable number, because it can be changed into a prime (4720287241) 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, 786714571 + ... + 786714576.

It is an arithmetic number, because the mean of its divisors is an integer number (1573429148).

Almost surely, 24720287441 is an apocalyptic number.

It is an amenable number.

4720287441 is a deficient number, since it is larger than the sum of its proper divisors (1573429151).

4720287441 is a wasteful number, since it uses less digits than its factorization.

4720287441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573429150.

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 4720287441 is about 68704.3480501780. The cubic root of 4720287441 is about 1677.4753558435.

The spelling of 4720287441 in words is "four billion, seven hundred twenty million, two hundred eighty-seven thousand, four hundred forty-one".

Divisors: 1 3 1573429147 4720287441