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1241313312 = 25323224443
BaseRepresentation
bin100100111111100…
…1111000000100000
310012111202020202010
41021333033000200
510020234011222
6323101352520
742521663151
oct11177170040
93174666663
101241313312
11587764078
122a7868740
1316a22aa25
14bac05928
1573e9b80c
hex49fcf020

1241313312 has 72 divisors (see below), whose sum is σ = 3406418064. Its totient is φ = 395764864.

The previous prime is 1241313299. The next prime is 1241313319. The reversal of 1241313312 is 2133131421.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1241313319) 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, 38563 + ... + 63005.

It is an arithmetic number, because the mean of its divisors is an integer number (47311362).

Almost surely, 21241313312 is an apocalyptic number.

1241313312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241313312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703209032).

1241313312 is an abundant number, since it is smaller than the sum of its proper divisors (2165104752).

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

1241313312 is a wasteful number, since it uses less digits than its factorization.

1241313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24502 (or 24471 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1241313312 is about 35232.2765656720. The cubic root of 1241313312 is about 1074.7162220483.

Adding to 1241313312 its reverse (2133131421), we get a palindrome (3374444733).

The spelling of 1241313312 in words is "one billion, two hundred forty-one million, three hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 529 552 736 1058 1104 1587 2116 2208 3174 4232 6348 8464 12696 16928 24443 25392 48886 50784 73329 97772 146658 195544 293316 391088 562189 586632 782176 1124378 1173264 1686567 2248756 2346528 3373134 4497512 6746268 8995024 12930347 13492536 17990048 25860694 26985072 38791041 51721388 53970144 77582082 103442776 155164164 206885552 310328328 413771104 620656656 1241313312