Search a number
-
+
107234749 = 139976651
BaseRepresentation
bin1100110010001…
…00010110111101
321110210002102101
412121010112331
5204423002444
614350225101
72441323516
oct631042675
9243702371
10107234749
1155593066
122bab5191
13192a781b
1410355a0d
1596333d4
hex66445bd

107234749 has 4 divisors (see below), whose sum is σ = 107312800. Its totient is φ = 107156700.

The previous prime is 107234731. The next prime is 107234789. The reversal of 107234749 is 947432701.

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 107234749 - 211 = 107232701 is a prime.

It is a super-2 number, since 2×1072347492 = 22998582786186002, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107234719) 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, 36927 + ... + 39724.

It is an arithmetic number, because the mean of its divisors is an integer number (26828200).

Almost surely, 2107234749 is an apocalyptic number.

It is an amenable number.

107234749 is a deficient number, since it is larger than the sum of its proper divisors (78051).

107234749 is an equidigital number, since it uses as much as digits as its factorization.

107234749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78050.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 107234749 is about 10355.4212372071. The cubic root of 107234749 is about 475.0928704837.

The spelling of 107234749 in words is "one hundred seven million, two hundred thirty-four thousand, seven hundred forty-nine".

Divisors: 1 1399 76651 107234749