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109377079 = 743363379
BaseRepresentation
bin1101000010011…
…11011000110111
321121210221010221
412201033120313
5211000031304
614504155211
72465455420
oct641173067
9247727127
10109377079
1156816689
1230768b07
1319877986
1410752647
159908054
hex684f637

109377079 has 8 divisors (see below), whose sum is σ = 127909760. Its totient is φ = 91571256.

The previous prime is 109377061. The next prime is 109377097. The reversal of 109377079 is 970773901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109377061) and next prime (109377097).

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

It is not a de Polignac number, because 109377079 - 211 = 109375031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109377019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181389 + ... + 181990.

It is an arithmetic number, because the mean of its divisors is an integer number (15988720).

Almost surely, 2109377079 is an apocalyptic number.

109377079 is a deficient number, since it is larger than the sum of its proper divisors (18532681).

109377079 is an equidigital number, since it uses as much as digits as its factorization.

109377079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363429.

The product of its (nonzero) digits is 83349, while the sum is 43.

The square root of 109377079 is about 10458.3497264148. The cubic root of 109377079 is about 478.2358257569.

The spelling of 109377079 in words is "one hundred nine million, three hundred seventy-seven thousand, seventy-nine".

Divisors: 1 7 43 301 363379 2543653 15625297 109377079