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109032097 = 247344089
BaseRepresentation
bin1100111111110…
…11001010100001
321121011101220211
412133323022201
5210403011342
614452534121
72462520556
oct637731241
9247141824
10109032097
1156600479
1230621341
1319786945
14106a2a2d
15988ac17
hex67fb2a1

109032097 has 4 divisors (see below), whose sum is σ = 109078660. Its totient is φ = 108985536.

The previous prime is 109032061. The next prime is 109032103. The reversal of 109032097 is 790230901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790230901 = 5314910017.

It can be written as a sum of positive squares in 2 ways, for example, as 65788321 + 43243776 = 8111^2 + 6576^2 .

It is a cyclic number.

It is not a de Polignac number, because 109032097 - 215 = 108999329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109032197) 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, 19572 + ... + 24517.

It is an arithmetic number, because the mean of its divisors is an integer number (27269665).

Almost surely, 2109032097 is an apocalyptic number.

It is an amenable number.

109032097 is a deficient number, since it is larger than the sum of its proper divisors (46563).

109032097 is an equidigital number, since it uses as much as digits as its factorization.

109032097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46562.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 109032097 is about 10441.8435632794. The cubic root of 109032097 is about 477.7325011939.

Adding to 109032097 its reverse (790230901), we get a palindrome (899262998).

The spelling of 109032097 in words is "one hundred nine million, thirty-two thousand, ninety-seven".

Divisors: 1 2473 44089 109032097