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1241283492 = 2232172028241
BaseRepresentation
bin100100111111100…
…0111101110100100
310012111200201211200
41021333013232210
510020232032432
6323101002500
742521510211
oct11177075644
93174621750
101241283492
11587743729
122a7853430
1316a21a297
14babd8b08
1573e92a7c
hex49fc7ba4

1241283492 has 36 divisors (see below), whose sum is σ = 3322260396. Its totient is φ = 389422080.

The previous prime is 1241283469. The next prime is 1241283497. The reversal of 1241283492 is 2943821421.

It can be written as a sum of positive squares in 2 ways, for example, as 844716096 + 396567396 = 29064^2 + 19914^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1241283497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013509 + ... + 1014732.

It is an arithmetic number, because the mean of its divisors is an integer number (92285011).

Almost surely, 21241283492 is an apocalyptic number.

1241283492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1241283492 is an abundant number, since it is smaller than the sum of its proper divisors (2080976904).

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

1241283492 is a wasteful number, since it uses less digits than its factorization.

1241283492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028268 (or 2028263 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1241283492 is about 35231.8533716295. The cubic root of 1241283492 is about 1074.7076160303.

The spelling of 1241283492 in words is "one billion, two hundred forty-one million, two hundred eighty-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 2028241 4056482 6084723 8112964 12169446 18254169 24338892 34480097 36508338 68960194 73016676 103440291 137920388 206880582 310320873 413761164 620641746 1241283492