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1341240220 = 22567062011
BaseRepresentation
bin100111111110001…
…1011001110011100
310110110210001200201
41033330123032130
510221324141340
6341031233244
745144232225
oct11774331634
93413701621
101341240220
116291056a1
12315218824
13184b47188
14ca1b824c
157cb3979a
hex4ff1b39c

1341240220 has 12 divisors (see below), whose sum is σ = 2816604504. Its totient is φ = 536496080.

The previous prime is 1341240209. The next prime is 1341240221. The reversal of 1341240220 is 220421431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341240221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33530986 + ... + 33531025.

It is an arithmetic number, because the mean of its divisors is an integer number (234717042).

Almost surely, 21341240220 is an apocalyptic number.

1341240220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341240220 is an abundant number, since it is smaller than the sum of its proper divisors (1475364284).

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

1341240220 is a wasteful number, since it uses less digits than its factorization.

1341240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67062020 (or 67062018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1341240220 is about 36622.9466318591. The cubic root of 1341240220 is about 1102.8137934411.

Adding to 1341240220 its reverse (220421431), we get a palindrome (1561661651).

The spelling of 1341240220 in words is "one billion, three hundred forty-one million, two hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67062011 134124022 268248044 335310055 670620110 1341240220