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109021054 = 254510527
BaseRepresentation
bin1100111111110…
…00011101111110
321121010211202211
412133320131332
5210402133204
614452411034
72462443432
oct637703576
9247124684
10109021054
11565a314a
1230616a7a
13197818cc
141069c9c2
159887804
hex67f877e

109021054 has 4 divisors (see below), whose sum is σ = 163531584. Its totient is φ = 54510526.

The previous prime is 109021049. The next prime is 109021093. The reversal of 109021054 is 450120901.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27255262 + ... + 27255265.

It is an arithmetic number, because the mean of its divisors is an integer number (40882896).

Almost surely, 2109021054 is an apocalyptic number.

109021054 is a deficient number, since it is larger than the sum of its proper divisors (54510530).

109021054 is an equidigital number, since it uses as much as digits as its factorization.

109021054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54510529.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 109021054 is about 10441.3147639557. The cubic root of 109021054 is about 477.7163720654.

Adding to 109021054 its reverse (450120901), we get a palindrome (559141955).

The spelling of 109021054 in words is "one hundred nine million, twenty-one thousand, fifty-four".

Divisors: 1 2 54510527 109021054