Search a number
-
+
1683670038 = 2317107154267
BaseRepresentation
bin110010001011010…
…1100010000010110
311100100010022002120
41210112230100112
511422004420123
6435022520410
756502650001
oct14426542026
94310108076
101683670038
1179442a246
123aba36106
1320aa7c77b
1411d874538
159cc2a2e3
hex645ac416

1683670038 has 32 divisors (see below), whose sum is σ = 3598763904. Its totient is φ = 523270272.

The previous prime is 1683670019. The next prime is 1683670039. The reversal of 1683670038 is 8300763861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683670039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66220 + ... + 88047.

It is an arithmetic number, because the mean of its divisors is an integer number (112461372).

Almost surely, 21683670038 is an apocalyptic number.

1683670038 is an abundant number, since it is smaller than the sum of its proper divisors (1915093866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1683670038 is a wasteful number, since it uses less digits than its factorization.

1683670038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154396.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1683670038 is about 41032.5485194376. The cubic root of 1683670038 is about 1189.6494125294.

The spelling of 1683670038 in words is "one billion, six hundred eighty-three million, six hundred seventy thousand, thirty-eight".

Divisors: 1 2 3 6 17 34 51 102 107 214 321 642 1819 3638 5457 10914 154267 308534 462801 925602 2622539 5245078 7867617 15735234 16506569 33013138 49519707 99039414 280611673 561223346 841835019 1683670038