Search a number
-
+
1241211144 = 233229225839
BaseRepresentation
bin100100111111011…
…0110000100001000
310012111120001121010
41021332312010020
510020222224034
6323055243520
742521056245
oct11176660410
93174501533
101241211144
115876a4338
122a78195a0
1316a1c3384
14babba5cc
1573e7b3e9
hex49fb6108

1241211144 has 32 divisors (see below), whose sum is σ = 3116592000. Its totient is φ = 411928512.

The previous prime is 1241211067. The next prime is 1241211149. The reversal of 1241211144 is 4411121421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1241211144.

It is not an unprimeable number, because it can be changed into a prime (1241211149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107424 + ... + 118415.

It is an arithmetic number, because the mean of its divisors is an integer number (97393500).

Almost surely, 21241211144 is an apocalyptic number.

It is an amenable number.

1241211144 is an abundant number, since it is smaller than the sum of its proper divisors (1875380856).

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

1241211144 is a wasteful number, since it uses less digits than its factorization.

1241211144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226077 (or 226073 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1241211144 is about 35230.8266153379. The cubic root of 1241211144 is about 1074.6867359069.

Adding to 1241211144 its reverse (4411121421), we get a palindrome (5652332565).

The spelling of 1241211144 in words is "one billion, two hundred forty-one million, two hundred eleven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 229 458 687 916 1374 1832 2748 5496 225839 451678 677517 903356 1355034 1806712 2710068 5420136 51717131 103434262 155151393 206868524 310302786 413737048 620605572 1241211144