Search a number
-
+
102066043 = 19311491163
BaseRepresentation
bin1100001010101…
…10011101111011
321010001111021211
412011112131323
5202112103133
614043343551
72346355432
oct605263573
9233044254
10102066043
1152682802
122a221bb7
13181b8011
14d7ac119
158e61bcd
hex615677b

102066043 has 16 divisors (see below), whose sum is σ = 111744000. Its totient is φ = 92867040.

The previous prime is 102066031. The next prime is 102066049. The reversal of 102066043 is 340660201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102066043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102066049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87180 + ... + 88342.

It is an arithmetic number, because the mean of its divisors is an integer number (6984000).

Almost surely, 2102066043 is an apocalyptic number.

102066043 is a deficient number, since it is larger than the sum of its proper divisors (9677957).

102066043 is a wasteful number, since it uses less digits than its factorization.

102066043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 102066043 is about 10102.7740249894. The cubic root of 102066043 is about 467.3336924537. Note that the first 3 decimals are identical.

The spelling of 102066043 in words is "one hundred two million, sixty-six thousand, forty-three".

Divisors: 1 19 31 149 589 1163 2831 4619 22097 36053 87761 173287 685007 3292453 5371897 102066043