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109430497 = 1137674013
BaseRepresentation
bin1101000010111…
…00011011100001
321121220122102101
412201130123201
5211003233442
614505250401
72466100231
oct641343341
9247818371
10109430497
1156852830
1230793a01
1319896097
1410767cc1
159918cb7
hex685c6e1

109430497 has 16 divisors (see below), whose sum is σ = 124466112. Its totient is φ = 95325120.

The previous prime is 109430483. The next prime is 109430507. The reversal of 109430497 is 794034901.

It is a de Polignac number, because none of the positive numbers 2k-109430497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109430407) 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 15 ways as a sum of consecutive naturals, for example, 25263 + ... + 29275.

It is an arithmetic number, because the mean of its divisors is an integer number (7779132).

Almost surely, 2109430497 is an apocalyptic number.

It is an amenable number.

109430497 is a deficient number, since it is larger than the sum of its proper divisors (15035615).

109430497 is a wasteful number, since it uses less digits than its factorization.

109430497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 109430497 is about 10460.9032592793. The cubic root of 109430497 is about 478.3136673056.

The spelling of 109430497 in words is "one hundred nine million, four hundred thirty thousand, four hundred ninety-seven".

Divisors: 1 11 37 67 407 737 2479 4013 27269 44143 148481 268871 1633291 2957581 9948227 109430497