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199463041 = 375390893
BaseRepresentation
bin10111110001110…
…01000010000001
3111220022202212001
423320321002001
5402030304131
631443104001
74641256621
oct1370710201
9456282761
10199463041
11a2656598
1256972001
1332429a8b
141c6c2881
15127a0261
hexbe39081

199463041 has 4 divisors (see below), whose sum is σ = 204853972. Its totient is φ = 194072112.

The previous prime is 199463039. The next prime is 199463051. The reversal of 199463041 is 140364991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140364991 = 1310797307.

It can be written as a sum of positive squares in 2 ways, for example, as 184416400 + 15046641 = 13580^2 + 3879^2 .

It is a cyclic number.

It is not a de Polignac number, because 199463041 - 21 = 199463039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 5390893 = 199463041 / (1 + 9 + 9 + 4 + 6 + 3 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199463051) 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, 2695410 + ... + 2695483.

It is an arithmetic number, because the mean of its divisors is an integer number (51213493).

Almost surely, 2199463041 is an apocalyptic number.

It is an amenable number.

199463041 is a deficient number, since it is larger than the sum of its proper divisors (5390931).

199463041 is an equidigital number, since it uses as much as digits as its factorization.

199463041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390930.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 199463041 is about 14123.1384968073. The cubic root of 199463041 is about 584.2797193584.

The spelling of 199463041 in words is "one hundred ninety-nine million, four hundred sixty-three thousand, forty-one".

Divisors: 1 37 5390893 199463041