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109697137 = 1123574231
BaseRepresentation
bin1101000100111…
…01100001110001
321122102012011221
412202131201301
5211040302022
614515105041
72501260504
oct642354161
9248365157
10109697137
1156a150a0
12308a2181
131995a564
14107d713b
15996ccc7
hex689d871

109697137 has 8 divisors (see below), whose sum is σ = 119748672. Its totient is φ = 99658800.

The previous prime is 109697131. The next prime is 109697153. The reversal of 109697137 is 731796901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109697137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109697093 and 109697102.

It is not an unprimeable number, because it can be changed into a prime (109697131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23812 + ... + 28042.

It is an arithmetic number, because the mean of its divisors is an integer number (14968584).

Almost surely, 2109697137 is an apocalyptic number.

It is an amenable number.

109697137 is a deficient number, since it is larger than the sum of its proper divisors (10051535).

109697137 is a wasteful number, since it uses less digits than its factorization.

109697137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 109697137 is about 10473.6401026577. The cubic root of 109697137 is about 478.7018409655.

The spelling of 109697137 in words is "one hundred nine million, six hundred ninety-seven thousand, one hundred thirty-seven".

Divisors: 1 11 2357 4231 25927 46541 9972467 109697137