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107509949 = 199540251
BaseRepresentation
bin1100110100001…
…11100010111101
321111022001220222
412122013202331
5210010304244
614400151125
72443551041
oct632074275
9244261828
10107509949
11557608a8
12300084a5
1319372b71
14103c8021
159689bee
hex66878bd

107509949 has 4 divisors (see below), whose sum is σ = 108050400. Its totient is φ = 106969500.

The previous prime is 107509903. The next prime is 107509957. The reversal of 107509949 is 949905701.

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 107509949 - 28 = 107509693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107509979) 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, 269927 + ... + 270324.

It is an arithmetic number, because the mean of its divisors is an integer number (27012600).

Almost surely, 2107509949 is an apocalyptic number.

It is an amenable number.

107509949 is a deficient number, since it is larger than the sum of its proper divisors (540451).

107509949 is an equidigital number, since it uses as much as digits as its factorization.

107509949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540450.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 107509949 is about 10368.7004489473. The cubic root of 107509949 is about 475.4989387059.

The spelling of 107509949 in words is "one hundred seven million, five hundred nine thousand, nine hundred forty-nine".

Divisors: 1 199 540251 107509949