Search a number
-
+
1146481201 = 1637033627
BaseRepresentation
bin100010001010101…
…1110101000110001
32221220022021112201
41010111132220301
54321444344301
6305433023201
740260633535
oct10425365061
92856267481
101146481201
11539182328
1227bb54b01
131536a6558
14ac39bbc5
156a9b8201
hex4455ea31

1146481201 has 4 divisors (see below), whose sum is σ = 1153514992. Its totient is φ = 1139447412.

The previous prime is 1146481177. The next prime is 1146481211. The reversal of 1146481201 is 1021846411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1021846411 = 4721741413.

It is a cyclic number.

It is not a de Polignac number, because 1146481201 - 211 = 1146479153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146481201.

It is not an unprimeable number, because it can be changed into a prime (1146481211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516651 + ... + 3516976.

It is an arithmetic number, because the mean of its divisors is an integer number (288378748).

Almost surely, 21146481201 is an apocalyptic number.

It is an amenable number.

1146481201 is a deficient number, since it is larger than the sum of its proper divisors (7033791).

1146481201 is an equidigital number, since it uses as much as digits as its factorization.

1146481201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033790.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1146481201 is about 33859.7283066477. The cubic root of 1146481201 is about 1046.6198791185.

It can be divided in two parts, 11464 and 81201, that added together give a triangular number (92665 = T430).

The spelling of 1146481201 in words is "one billion, one hundred forty-six million, four hundred eighty-one thousand, two hundred one".

Divisors: 1 163 7033627 1146481201