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1241253212 = 221013306331
BaseRepresentation
bin100100111111100…
…0000010101011100
310012111122012022012
41021333000111130
510020230100322
6323100210352
742521323013
oct11177002534
93174565265
101241253212
11587722a01
122a78399b8
1316a209574
14babcba7a
1573e88ae2
hex49fc055c

1241253212 has 12 divisors (see below), whose sum is σ = 2174344536. Its totient is φ = 620011920.

The previous prime is 1241253199. The next prime is 1241253217. The reversal of 1241253212 is 2123521421.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241253217) 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, 149114 + ... + 157217.

It is an arithmetic number, because the mean of its divisors is an integer number (181195378).

Almost surely, 21241253212 is an apocalyptic number.

It is an amenable number.

1241253212 is a deficient number, since it is larger than the sum of its proper divisors (933091324).

1241253212 is a wasteful number, since it uses less digits than its factorization.

1241253212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307348 (or 307346 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1241253212 is about 35231.4236442412. The cubic root of 1241253212 is about 1074.6988771157.

Adding to 1241253212 its reverse (2123521421), we get a palindrome (3364774633).

Subtracting 1241253212 from its reverse (2123521421), we obtain a square (882268209 = 297032).

The spelling of 1241253212 in words is "one billion, two hundred forty-one million, two hundred fifty-three thousand, two hundred twelve".

Divisors: 1 2 4 1013 2026 4052 306331 612662 1225324 310313303 620626606 1241253212