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1042344220 = 225211247001
BaseRepresentation
bin111110001000001…
…110100100011100
32200122100120110111
4332020032210130
54113320003340
6251233015404
734554531301
oct7610164434
92618316414
101042344220
11495415705
122510b4564
13137c44a38
149c6110a8
1561797aea
hex3e20e91c

1042344220 has 24 divisors (see below), whose sum is σ = 2199305808. Its totient is φ = 414960000.

The previous prime is 1042344211. The next prime is 1042344221. The reversal of 1042344220 is 224432401.

It is a happy number.

1042344220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1042344191 and 1042344200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042344221) 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, 119281 + ... + 127720.

It is an arithmetic number, because the mean of its divisors is an integer number (91637742).

Almost surely, 21042344220 is an apocalyptic number.

1042344220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042344220 is an abundant number, since it is smaller than the sum of its proper divisors (1156961588).

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

1042344220 is a wasteful number, since it uses less digits than its factorization.

1042344220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247221 (or 247219 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1042344220 is about 32285.3561231714. The cubic root of 1042344220 is about 1013.9200724917.

Adding to 1042344220 its reverse (224432401), we get a palindrome (1266776621).

The spelling of 1042344220 in words is "one billion, forty-two million, three hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 247001 494002 988004 1235005 2470010 4940020 52117211 104234422 208468844 260586055 521172110 1042344220