Search a number
-
+
1676632893 = 31342990587
BaseRepresentation
bin110001111101111…
…0110001100111101
311022211212202221120
41203323312030331
511413204223033
6434212021153
756356100355
oct14373661475
94284782846
101676632893
11790463121
123a96017b9
13209487690
1411c961b65
159c2da1b3
hex63ef633d

1676632893 has 8 divisors (see below), whose sum is σ = 2407472928. Its totient is φ = 1031774064.

The previous prime is 1676632891. The next prime is 1676632931. The reversal of 1676632893 is 3982366761.

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

It is not a de Polignac number, because 1676632893 - 21 = 1676632891 is a prime.

It is a super-2 number, since 2×16766328932 = 5622195715779098898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676632891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21495255 + ... + 21495332.

It is an arithmetic number, because the mean of its divisors is an integer number (300934116).

Almost surely, 21676632893 is an apocalyptic number.

1676632893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1676632893 is a deficient number, since it is larger than the sum of its proper divisors (730840035).

1676632893 is a wasteful number, since it uses less digits than its factorization.

1676632893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42990603.

The product of its digits is 1959552, while the sum is 51.

The square root of 1676632893 is about 40946.7079629120. The cubic root of 1676632893 is about 1187.9896601204.

The spelling of 1676632893 in words is "one billion, six hundred seventy-six million, six hundred thirty-two thousand, eight hundred ninety-three".

Divisors: 1 3 13 39 42990587 128971761 558877631 1676632893