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107622349 = 109987361
BaseRepresentation
bin1100110101000…
…10111111001101
321111111210002221
412122202333031
5210022403344
614402415341
72444526532
oct632427715
9244453087
10107622349
115582829a
1230061551
13193b2083
1410416d89
1596ad184
hex66a2fcd

107622349 has 4 divisors (see below), whose sum is σ = 108609820. Its totient is φ = 106634880.

The previous prime is 107622343. The next prime is 107622377. The reversal of 107622349 is 943226701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943226701 = 3697255133.

It can be written as a sum of positive squares in 2 ways, for example, as 81540900 + 26081449 = 9030^2 + 5107^2 .

It is a cyclic number.

It is not a de Polignac number, because 107622349 - 29 = 107621837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107622343) 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, 493572 + ... + 493789.

It is an arithmetic number, because the mean of its divisors is an integer number (27152455).

Almost surely, 2107622349 is an apocalyptic number.

It is an amenable number.

107622349 is a deficient number, since it is larger than the sum of its proper divisors (987471).

107622349 is an equidigital number, since it uses as much as digits as its factorization.

107622349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987470.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 107622349 is about 10374.1191915266. The cubic root of 107622349 is about 475.6645899358.

The spelling of 107622349 in words is "one hundred seven million, six hundred twenty-two thousand, three hundred forty-nine".

Divisors: 1 109 987361 107622349