Search a number
-
+
7449404313 = 3136725711093
BaseRepresentation
bin1101111000000010…
…01110001110011001
3201020011100221121110
412330001032032121
5110224021414223
63231110330533
7352413614631
oct67401161631
921204327543
107449404313
113182aa379a
12153a959a49
13919454760
145095016c1
152d8edad93
hex1bc04e399

7449404313 has 32 divisors (see below), whose sum is σ = 10899455616. Its totient is φ = 4497850368.

The previous prime is 7449404269. The next prime is 7449404353. The reversal of 7449404313 is 3134049447.

It is not a de Polignac number, because 7449404313 - 28 = 7449404057 is a prime.

It is a super-3 number, since 3×74494043133 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (7449404353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665995 + ... + 677087.

It is an arithmetic number, because the mean of its divisors is an integer number (340607988).

Almost surely, 27449404313 is an apocalyptic number.

It is an amenable number.

7449404313 is a deficient number, since it is larger than the sum of its proper divisors (3450051303).

7449404313 is a wasteful number, since it uses less digits than its factorization.

7449404313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 7449404313 is about 86309.9317170394. The cubic root of 7449404313 is about 1953.0222093327.

The spelling of 7449404313 in words is "seven billion, four hundred forty-nine million, four hundred four thousand, three hundred thirteen".

Divisors: 1 3 13 39 67 201 257 771 871 2613 3341 10023 11093 17219 33279 51657 144209 223847 432627 671541 743231 2229693 2850901 8552703 9662003 28986009 37061713 111185139 191010367 573031101 2483134771 7449404313