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1153430240 = 25544316273
BaseRepresentation
bin100010010111111…
…1111001011100000
32222101101022211112
41010233333023200
54330234231430
6310242002452
740403665244
oct10457771340
92871338745
101153430240
11542099236
12282346428
13154c6a501
14ad28a424
156b3dc195
hex44bff2e0

1153430240 has 48 divisors (see below), whose sum is σ = 2731297968. Its totient is φ = 460302336.

The previous prime is 1153430231. The next prime is 1153430249. The reversal of 1153430240 is 420343511.

It is an interprime number because it is at equal distance from previous prime (1153430231) and next prime (1153430249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153430249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62744 + ... + 79016.

It is an arithmetic number, because the mean of its divisors is an integer number (56902041).

Almost surely, 21153430240 is an apocalyptic number.

1153430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153430240 is an abundant number, since it is smaller than the sum of its proper divisors (1577867728).

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

1153430240 is a wasteful number, since it uses less digits than its factorization.

1153430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16731 (or 16723 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1153430240 is about 33962.1883864983. The cubic root of 1153430240 is about 1048.7302080353.

Adding to 1153430240 its reverse (420343511), we get a palindrome (1573773751).

The spelling of 1153430240 in words is "one billion, one hundred fifty-three million, four hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 443 886 1772 2215 3544 4430 7088 8860 14176 16273 17720 32546 35440 65092 70880 81365 130184 162730 260368 325460 520736 650920 1301840 2603680 7208939 14417878 28835756 36044695 57671512 72089390 115343024 144178780 230686048 288357560 576715120 1153430240