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1241343940 = 22562067197
BaseRepresentation
bin100100111111101…
…0110011111000100
310012111210210202111
41021333112133010
510020241001230
6323102150404
742522151354
oct11177263704
93174723674
101241343940
11587785091
122a7882404
1316a23b955
14bac12b64
1573ea592a
hex49fd67c4

1241343940 has 12 divisors (see below), whose sum is σ = 2606822316. Its totient is φ = 496537568.

The previous prime is 1241343923. The next prime is 1241343947. The reversal of 1241343940 is 493431421.

It can be written as a sum of positive squares in 2 ways, for example, as 351037696 + 890306244 = 18736^2 + 29838^2 .

It is not an unprimeable number, because it can be changed into a prime (1241343947) 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, 31033579 + ... + 31033618.

It is an arithmetic number, because the mean of its divisors is an integer number (217235193).

Almost surely, 21241343940 is an apocalyptic number.

1241343940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241343940 is an abundant number, since it is smaller than the sum of its proper divisors (1365478376).

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

1241343940 is a wasteful number, since it uses less digits than its factorization.

1241343940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62067206 (or 62067204 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1241343940 is about 35232.7112212501. The cubic root of 1241343940 is about 1074.7250611108.

The spelling of 1241343940 in words is "one billion, two hundred forty-one million, three hundred forty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 62067197 124134394 248268788 310335985 620671970 1241343940