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4311020442 = 233719419011
BaseRepresentation
bin1000000001111010…
…01111001110011010
3102010102221112021210
410000331033032122
532312110123232
61551440043550
7211555032501
oct40075171632
912112845253
104311020442
111912505513
12a039035b6
135391aa691
142cc795838
151a370e5cc
hex100f4f39a

4311020442 has 16 divisors (see below), whose sum is σ = 8855069472. Its totient is φ = 1398168720.

The previous prime is 4311020431. The next prime is 4311020449. The reversal of 4311020442 is 2440201134.

It is not an unprimeable number, because it can be changed into a prime (4311020449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9709284 + ... + 9709727.

It is an arithmetic number, because the mean of its divisors is an integer number (553441842).

Almost surely, 24311020442 is an apocalyptic number.

4311020442 is an abundant number, since it is smaller than the sum of its proper divisors (4544049030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4311020442 is a wasteful number, since it uses less digits than its factorization.

4311020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19419053.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4311020442 is about 65658.3615543367. The cubic root of 4311020442 is about 1627.5213487493.

Adding to 4311020442 its reverse (2440201134), we get a palindrome (6751221576).

The spelling of 4311020442 in words is "four billion, three hundred eleven million, twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 37 74 111 222 19419011 38838022 58257033 116514066 718503407 1437006814 2155510221 4311020442