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109288948 = 2227322237
BaseRepresentation
bin1101000001110…
…01110111110100
321121122110020211
412200321313310
5210434221243
614502235204
72464640446
oct640716764
9247573224
10109288948
115676644a
1230725b04
1319846822
141072c496
1598dbd9d
hex6839df4

109288948 has 6 divisors (see below), whose sum is σ = 191255666. Its totient is φ = 54644472.

The previous prime is 109288943. The next prime is 109288973. The reversal of 109288948 is 849882901.

It can be written as a sum of positive squares in only one way, i.e., 94711824 + 14577124 = 9732^2 + 3818^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109288943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13661115 + ... + 13661122.

Almost surely, 2109288948 is an apocalyptic number.

It is an amenable number.

109288948 is a deficient number, since it is larger than the sum of its proper divisors (81966718).

109288948 is a wasteful number, since it uses less digits than its factorization.

109288948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27322241 (or 27322239 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 109288948 is about 10454.1354496678. The cubic root of 109288948 is about 478.1073444603.

The spelling of 109288948 in words is "one hundred nine million, two hundred eighty-eight thousand, nine hundred forty-eight".

Divisors: 1 2 4 27322237 54644474 109288948