Search a number
-
+
1676031745 = 51355324733
BaseRepresentation
bin110001111100110…
…0011011100000001
311022210202020022211
41203321203130001
511413031003440
6434151102121
756351014633
oct14371433401
94283666284
101676031745
11790092503
123a9371941
13209306b7b
1411c846a53
159c21beea
hex63e63701

1676031745 has 8 divisors (see below), whose sum is σ = 2011467816. Its totient is φ = 1340672256.

The previous prime is 1676031697. The next prime is 1676031761. The reversal of 1676031745 is 5471306761.

It can be written as a sum of positive squares in 4 ways, for example, as 60715264 + 1615316481 = 7792^2 + 40191^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1676031745 - 213 = 1676023553 is a prime.

It is a super-3 number, since 3×16760317453 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1676031698 and 1676031707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55399 + ... + 80131.

It is an arithmetic number, because the mean of its divisors is an integer number (251433477).

Almost surely, 21676031745 is an apocalyptic number.

It is an amenable number.

1676031745 is a deficient number, since it is larger than the sum of its proper divisors (335436071).

1676031745 is a wasteful number, since it uses less digits than its factorization.

1676031745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38291.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 1676031745 is about 40939.3666902653. The cubic root of 1676031745 is about 1187.8476606442.

The spelling of 1676031745 in words is "one billion, six hundred seventy-six million, thirty-one thousand, seven hundred forty-five".

Divisors: 1 5 13553 24733 67765 123665 335206349 1676031745