Search a number
-
+
102746393 = 432389451
BaseRepresentation
bin1100001111111…
…00100100011001
321011100001112222
412013330210121
5202300341033
614110113425
72355221111
oct607744431
9234301488
10102746393
1152aa7982
122a4ab875
13183958a9
14d908041
159048598
hex61fc919

102746393 has 4 divisors (see below), whose sum is σ = 105135888. Its totient is φ = 100356900.

The previous prime is 102746389. The next prime is 102746417. The reversal of 102746393 is 393647201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102746393 - 22 = 102746389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102746323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194683 + ... + 1194768.

It is an arithmetic number, because the mean of its divisors is an integer number (26283972).

Almost surely, 2102746393 is an apocalyptic number.

It is an amenable number.

102746393 is a deficient number, since it is larger than the sum of its proper divisors (2389495).

102746393 is an equidigital number, since it uses as much as digits as its factorization.

102746393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389494.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 102746393 is about 10136.3895446061. The cubic root of 102746393 is about 468.3697752685.

The spelling of 102746393 in words is "one hundred two million, seven hundred forty-six thousand, three hundred ninety-three".

Divisors: 1 43 2389451 102746393