Search a number
-
+
1141202431 = 23229721601
BaseRepresentation
bin100010000000101…
…0101110111111111
32221112101002102201
41010001111313333
54314121434211
6305123532331
740165026535
oct10401256777
92845332381
101141202431
115361a7306
1227a22a0a7
13152578915
14ab7c6155
156a2c40c1
hex44055dff

1141202431 has 8 divisors (see below), whose sum is σ = 1191393504. Its totient is φ = 1091059200.

The previous prime is 1141202407. The next prime is 1141202437. The reversal of 1141202431 is 1342021411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141202431 - 25 = 1141202399 is a prime.

It is a super-2 number, since 2×11412024312 = 2604685977040619522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141202399 and 1141202408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141202437) 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, 42031 + ... + 63631.

It is an arithmetic number, because the mean of its divisors is an integer number (148924188).

Almost surely, 21141202431 is an apocalyptic number.

1141202431 is a deficient number, since it is larger than the sum of its proper divisors (50191073).

1141202431 is a wasteful number, since it uses less digits than its factorization.

1141202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23921.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1141202431 is about 33781.6878056737. The cubic root of 1141202431 is about 1045.0110820463.

Adding to 1141202431 its reverse (1342021411), we get a palindrome (2483223842).

The spelling of 1141202431 in words is "one billion, one hundred forty-one million, two hundred two thousand, four hundred thirty-one".

Divisors: 1 23 2297 21601 52831 496823 49617497 1141202431