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1143860041 = 31210912
BaseRepresentation
bin100010000101101…
…1110101101001001
32221201101002222201
41010023132231021
54320312010131
6305300520201
740226435632
oct10413365511
92851332881
101143860041
11537751a85
1227b0b0061
13152c9947c
14abcb8889
156a64b761
hex442deb49

1143860041 has 9 divisors (see below), whose sum is σ = 1183033389. Its totient is φ = 1105946700.

The previous prime is 1143859999. The next prime is 1143860063. The reversal of 1143860041 is 1400683411.

The square root of 1143860041 is 33821.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2k-1143860041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143859991 and 1143860009.

It is not an unprimeable number, because it can be changed into a prime (1143860441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1047906 + ... + 1048996.

Almost surely, 21143860041 is an apocalyptic number.

1143860041 is the 33821-st square number.

1143860041 is the 16911-st centered octagonal number.

It is an amenable number.

1143860041 is a deficient number, since it is larger than the sum of its proper divisors (39173348).

1143860041 is an frugal number, since it uses more digits than its factorization.

1143860041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The cubic root of 1143860041 is about 1045.8216536437.

Multiplying 1143860041 by its product of nonzero digits (2304), we get a square (2635453534464 = 16234082).

It can be divided in two parts, 1143 and 860041, that added together give a square (861184 = 9282).

The spelling of 1143860041 in words is "one billion, one hundred forty-three million, eight hundred sixty thousand, forty-one".

Divisors: 1 31 961 1091 33821 1048451 1190281 36898711 1143860041