Search a number
-
+
1377423213 = 31812536691
BaseRepresentation
bin101001000011001…
…1100111101101101
310112222212100102120
41102012130331231
510310110020323
6344402543153
746063622055
oct12206347555
93488770376
101377423213
116475794a1
12325367ab9
1318c4a552a
14d0d16565
1580dd55e3
hex5219cf6d

1377423213 has 8 divisors (see below), whose sum is σ = 1846711776. Its totient is φ = 913208400.

The previous prime is 1377423193. The next prime is 1377423227. The reversal of 1377423213 is 3123247731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1377423213 - 28 = 1377422957 is a prime.

It is a super-3 number, since 3×13774232133 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377423253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267803 + ... + 1268888.

It is an arithmetic number, because the mean of its divisors is an integer number (230838972).

Almost surely, 21377423213 is an apocalyptic number.

It is an amenable number.

1377423213 is a deficient number, since it is larger than the sum of its proper divisors (469288563).

1377423213 is a wasteful number, since it uses less digits than its factorization.

1377423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536875.

The product of its digits is 21168, while the sum is 33.

The square root of 1377423213 is about 37113.6526496652. The cubic root of 1377423213 is about 1112.6428955531.

The spelling of 1377423213 in words is "one billion, three hundred seventy-seven million, four hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 3 181 543 2536691 7610073 459141071 1377423213