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1676281045 = 51228927281
BaseRepresentation
bin110001111101010…
…0000010011010101
311022211012220022011
41203322200103111
511413111443140
6434200304221
756353103515
oct14372402325
94284186264
101676281045
1179024283a
123a9472071
1320939349a
1411c8ad845
159c26acea
hex63ea04d5

1676281045 has 8 divisors (see below), whose sum is σ = 2011774680. Its totient is φ = 1340866560.

The previous prime is 1676281021. The next prime is 1676281051. The reversal of 1676281045 is 5401826761.

It can be written as a sum of positive squares in 4 ways, for example, as 579942724 + 1096338321 = 24082^2 + 33111^2 .

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

It is not a de Polignac number, because 1676281045 - 221 = 1674183893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1676280989 and 1676281007.

It is a congruent number.

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, 47805 + ... + 75085.

It is an arithmetic number, because the mean of its divisors is an integer number (251471835).

Almost surely, 21676281045 is an apocalyptic number.

It is an amenable number.

1676281045 is a deficient number, since it is larger than the sum of its proper divisors (335493635).

1676281045 is a wasteful number, since it uses less digits than its factorization.

1676281045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39575.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1676281045 is about 40942.4113237117. The cubic root of 1676281045 is about 1187.9065528741.

The spelling of 1676281045 in words is "one billion, six hundred seventy-six million, two hundred eighty-one thousand, forty-five".

Divisors: 1 5 12289 27281 61445 136405 335256209 1676281045