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1241234442 = 23472574259
BaseRepresentation
bin100100111111011…
…1011110000001010
310012111121020120000
41021332323300022
510020224000232
6323055543430
742521214210
oct11176736012
93174536500
101241234442
1158770a898
122a782ab76
1316a200b66
14babc4cb0
1573e8327c
hex49fbbc0a

1241234442 has 80 divisors (see below), whose sum is σ = 3191728320. Its totient is φ = 353175552.

The previous prime is 1241234419. The next prime is 1241234453. The reversal of 1241234442 is 2444321421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 289309 + ... + 293567.

It is an arithmetic number, because the mean of its divisors is an integer number (39896604).

Almost surely, 21241234442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241234442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595864160).

1241234442 is an abundant number, since it is smaller than the sum of its proper divisors (1950493878).

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

1241234442 is a wasteful number, since it uses less digits than its factorization.

1241234442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537 (or 4528 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1241234442 is about 35231.1572617193. The cubic root of 1241234442 is about 1074.6934599563.

Adding to 1241234442 its reverse (2444321421), we get a palindrome (3685555863).

The spelling of 1241234442 in words is "one billion, two hundred forty-one million, two hundred thirty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 257 378 514 567 771 1134 1542 1799 2313 3598 4259 4626 5397 6939 8518 10794 12777 13878 16191 20817 25554 29813 32382 38331 41634 48573 59626 76662 89439 97146 114993 145719 178878 229986 268317 291438 344979 536634 689958 804951 1094563 1609902 2189126 2414853 3283689 4829706 6567378 7661941 9851067 15323882 19702134 22985823 29553201 45971646 59106402 68957469 88659603 137914938 177319206 206872407 413744814 620617221 1241234442