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109289954 = 254644977
BaseRepresentation
bin1101000001110…
…10000111100010
321121122111122002
412200322013202
5210434234304
614502244002
72464643414
oct640720742
9247574562
10109289954
1156767184
1230726602
1319847117
141072c9b4
1598dc31e
hex683a1e2

109289954 has 4 divisors (see below), whose sum is σ = 163934934. Its totient is φ = 54644976.

The previous prime is 109289941. The next prime is 109289959. The reversal of 109289954 is 459982901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104550625 + 4739329 = 10225^2 + 2177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109289899 and 109289908.

It is not an unprimeable number, because it can be changed into a prime (109289959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322487 + ... + 27322490.

Almost surely, 2109289954 is an apocalyptic number.

109289954 is a deficient number, since it is larger than the sum of its proper divisors (54644980).

109289954 is an equidigital number, since it uses as much as digits as its factorization.

109289954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54644979.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 109289954 is about 10454.1835644875. The cubic root of 109289954 is about 478.1088114416.

The spelling of 109289954 in words is "one hundred nine million, two hundred eighty-nine thousand, nine hundred fifty-four".

Divisors: 1 2 54644977 109289954