Search a number
-
+
107648069 = 743144883
BaseRepresentation
bin1100110101010…
…01010001000101
321111120002101112
412122221101011
5210024214234
614403134405
72444664524
oct632512105
9244502345
10107648069
1155845651
1230074405
13193c09a9
14104224bb
1596b5ace
hex66a9445

107648069 has 4 divisors (see below), whose sum is σ = 107793696. Its totient is φ = 107502444.

The previous prime is 107648041. The next prime is 107648077. The reversal of 107648069 is 960846701.

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 107648069 - 212 = 107643973 is a prime.

It is a super-2 number, since 2×1076480692 = 23176213518857522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107648269) 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, 71699 + ... + 73184.

It is an arithmetic number, because the mean of its divisors is an integer number (26948424).

Almost surely, 2107648069 is an apocalyptic number.

It is an amenable number.

107648069 is a deficient number, since it is larger than the sum of its proper divisors (145627).

107648069 is an equidigital number, since it uses as much as digits as its factorization.

107648069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145626.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 107648069 is about 10375.3587407858. The cubic root of 107648069 is about 475.7024789644.

The spelling of 107648069 in words is "one hundred seven million, six hundred forty-eight thousand, sixty-nine".

Divisors: 1 743 144883 107648069