Search a number
-
+
102081342 = 23111546687
BaseRepresentation
bin1100001010110…
…10001100111110
321010002021021110
412011122030332
5202113100332
614043542450
72346451146
oct605321476
9233067243
10102081342
1152693250
122a22aa26
13181c1c7c
14d7b3926
158e664cc
hex615a33e

102081342 has 16 divisors (see below), whose sum is σ = 222723072. Its totient is φ = 30933720.

The previous prime is 102081341. The next prime is 102081347. The reversal of 102081342 is 243180201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102081341) 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, 773278 + ... + 773409.

It is an arithmetic number, because the mean of its divisors is an integer number (13920192).

Almost surely, 2102081342 is an apocalyptic number.

102081342 is an abundant number, since it is smaller than the sum of its proper divisors (120641730).

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

102081342 is a wasteful number, since it uses less digits than its factorization.

102081342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546703.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 102081342 is about 10103.5311648948. The cubic root of 102081342 is about 467.3570413258.

The spelling of 102081342 in words is "one hundred two million, eighty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 1546687 3093374 4640061 9280122 17013557 34027114 51040671 102081342