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109660394 = 2251218447
BaseRepresentation
bin1101000100101…
…00100011101010
321122100022210002
412202110203222
5211033113034
614514223002
72501045414
oct642244352
9248308702
10109660394
115699a528
1230884a62
131994690c
14107c79b4
159961e7e
hex68948ea

109660394 has 8 divisors (see below), whose sum is σ = 165146688. Its totient is φ = 54611500.

The previous prime is 109660393. The next prime is 109660403. The reversal of 109660394 is 493066901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (109660391) 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, 108722 + ... + 109725.

It is an arithmetic number, because the mean of its divisors is an integer number (20643336).

Almost surely, 2109660394 is an apocalyptic number.

109660394 is a deficient number, since it is larger than the sum of its proper divisors (55486294).

109660394 is a wasteful number, since it uses less digits than its factorization.

109660394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218700.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 109660394 is about 10471.8858855509. The cubic root of 109660394 is about 478.6483880180.

The spelling of 109660394 in words is "one hundred nine million, six hundred sixty thousand, three hundred ninety-four".

Divisors: 1 2 251 502 218447 436894 54830197 109660394