Search a number
-
+
4019303949 = 31339767983
BaseRepresentation
bin1110111110010001…
…1011011000001101
3101101010000210111020
43233210123120031
531212420211244
61502455344353
7201413343213
oct35744333015
911333023436
104019303949
111782879601
129420820b9
134c092007b
142a1b3acb3
15187cd9d19
hexef91b60d

4019303949 has 4 divisors (see below), whose sum is σ = 5359071936. Its totient is φ = 2679535964.

The previous prime is 4019303933. The next prime is 4019303963. The reversal of 4019303949 is 9493039104.

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.

It is a cyclic number.

It is not a de Polignac number, because 4019303949 - 24 = 4019303933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4019303949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019302949) 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, 669883989 + ... + 669883994.

It is an arithmetic number, because the mean of its divisors is an integer number (1339767984).

Almost surely, 24019303949 is an apocalyptic number.

It is an amenable number.

4019303949 is a deficient number, since it is larger than the sum of its proper divisors (1339767987).

4019303949 is a wasteful number, since it uses less digits than its factorization.

4019303949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339767986.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 4019303949 is about 63397.9806381875. The cubic root of 4019303949 is about 1589.9505474908.

The spelling of 4019303949 in words is "four billion, nineteen million, three hundred three thousand, nine hundred forty-nine".

Divisors: 1 3 1339767983 4019303949