Search a number
-
+
1233030140 = 225137450011
BaseRepresentation
bin100100101111110…
…1000101111111100
310011221011102100222
41021133220233330
510011123431030
6322204040512
742361404026
oct11137505774
93157142328
101233030140
11583016881
122a4b33138
131685ba744
14b9a8b016
15733b23e5
hex497e8bfc

1233030140 has 24 divisors (see below), whose sum is σ = 2608269552. Its totient is φ = 489610880.

The previous prime is 1233030103. The next prime is 1233030157. The reversal of 1233030140 is 410303321.

It is a happy number.

It is a super-2 number, since 2×12330301402 = 3040726652296839200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222266 + ... + 227745.

It is an arithmetic number, because the mean of its divisors is an integer number (108677898).

Almost surely, 21233030140 is an apocalyptic number.

1233030140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233030140 is an abundant number, since it is smaller than the sum of its proper divisors (1375239412).

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

1233030140 is a wasteful number, since it uses less digits than its factorization.

1233030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450157 (or 450155 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1233030140 is about 35114.5289018662. The cubic root of 1233030140 is about 1072.3203901914.

Adding to 1233030140 its reverse (410303321), we get a palindrome (1643333461).

The spelling of 1233030140 in words is "one billion, two hundred thirty-three million, thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 450011 900022 1800044 2250055 4500110 9000220 61651507 123303014 246606028 308257535 616515070 1233030140