Search a number
-
+
1145235040 = 2557157719
BaseRepresentation
bin100010001000010…
…1110011001100000
32221210221222010121
41010100232121200
54321140010130
6305350210024
740244223445
oct10420563140
92853858117
101145235040
11538501044
1227b653914
1315335b291
14ac1559cc
156a81dd7a
hex4442e660

1145235040 has 24 divisors (see below), whose sum is σ = 2705618160. Its totient is φ = 458093952.

The previous prime is 1145235037. The next prime is 1145235043. The reversal of 1145235040 is 405325411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1145235037) and next prime (1145235043).

It is a junction number, because it is equal to n+sod(n) for n = 1145234996 and 1145235014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145235043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578700 + ... + 3579019.

It is an arithmetic number, because the mean of its divisors is an integer number (112734090).

Almost surely, 21145235040 is an apocalyptic number.

1145235040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145235040 is an abundant number, since it is smaller than the sum of its proper divisors (1560383120).

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

1145235040 is an equidigital number, since it uses as much as digits as its factorization.

1145235040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157734 (or 7157726 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1145235040 is about 33841.3214871996. The cubic root of 1145235040 is about 1046.2405358692.

The spelling of 1145235040 in words is "one billion, one hundred forty-five million, two hundred thirty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 7157719 14315438 28630876 35788595 57261752 71577190 114523504 143154380 229047008 286308760 572617520 1145235040