Search a number
-
+
3019640437 = 117117322349
BaseRepresentation
bin1011001111111100…
…0000111001110101
321210102222121221201
42303333000321311
522141011443222
61215345212501
7134554343302
oct26377007165
97712877851
103019640437
11130a565610
12703331131
133917a00b8
1420907a0a9
1512a173427
hexb3fc0e75

3019640437 has 16 divisors (see below), whose sum is σ = 3360009600. Its totient is φ = 2690699200.

The previous prime is 3019640389. The next prime is 3019640441. The reversal of 3019640437 is 7340469103.

It is a cyclic number.

It is not a de Polignac number, because 3019640437 - 223 = 3011251829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3019640396 and 3019640405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3019640137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123939 + ... + 146287.

It is an arithmetic number, because the mean of its divisors is an integer number (210000600).

Almost surely, 23019640437 is an apocalyptic number.

It is an amenable number.

3019640437 is a deficient number, since it is larger than the sum of its proper divisors (340369163).

3019640437 is a wasteful number, since it uses less digits than its factorization.

3019640437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 3019640437 is about 54951.2550994061. The cubic root of 3019640437 is about 1445.3901058383.

The spelling of 3019640437 in words is "three billion, nineteen million, six hundred forty thousand, four hundred thirty-seven".

Divisors: 1 11 71 173 781 1903 12283 22349 135113 245839 1586779 3866377 17454569 42530147 274512767 3019640437