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4024442261 = 7574920323
BaseRepresentation
bin1110111111100000…
…0001110110010101
3101101110200211221002
43233320001312111
531220224123021
61503201433045
7201505123550
oct35770016625
911343624832
104024442261
111785769044
1294393b785
134c19cbaa8
142a26b7697
151884a250b
hexefe01d95

4024442261 has 4 divisors (see below), whose sum is σ = 4599362592. Its totient is φ = 3449521932.

The previous prime is 4024442251. The next prime is 4024442281. The reversal of 4024442261 is 1622444204.

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 a cyclic number.

It is not a de Polignac number, because 4024442261 - 218 = 4024180117 is a prime.

It is a super-2 number, since 2×40244422612 = 32392271024245584242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4024442251) 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, 287460155 + ... + 287460168.

It is an arithmetic number, because the mean of its divisors is an integer number (1149840648).

Almost surely, 24024442261 is an apocalyptic number.

It is an amenable number.

4024442261 is a deficient number, since it is larger than the sum of its proper divisors (574920331).

4024442261 is an equidigital number, since it uses as much as digits as its factorization.

4024442261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574920330.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 4024442261 is about 63438.4919508653. The cubic root of 4024442261 is about 1590.6277943611.

Adding to 4024442261 its reverse (1622444204), we get a palindrome (5646886465).

The spelling of 4024442261 in words is "four billion, twenty-four million, four hundred forty-two thousand, two hundred sixty-one".

Divisors: 1 7 574920323 4024442261