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109420743 = 339791873
BaseRepresentation
bin1101000010110…
…10000011000111
321121220011001010
412201122003013
5211002430433
614505133303
72466026625
oct641320307
9247804033
10109420743
1156846473
123078a233
1319891803
1410764515
159915e63
hex685a0c7

109420743 has 8 divisors (see below), whose sum is σ = 146263408. Its totient is φ = 72762624.

The previous prime is 109420657. The next prime is 109420757. The reversal of 109420743 is 347024901.

It is a happy number.

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

It is not a de Polignac number, because 109420743 - 29 = 109420231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109420743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109420343) 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, 44746 + ... + 47127.

It is an arithmetic number, because the mean of its divisors is an integer number (18282926).

Almost surely, 2109420743 is an apocalyptic number.

109420743 is a deficient number, since it is larger than the sum of its proper divisors (36842665).

109420743 is an equidigital number, since it uses as much as digits as its factorization.

109420743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92273.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 109420743 is about 10460.4370367590. The cubic root of 109420743 is about 478.2994555143.

The spelling of 109420743 in words is "one hundred nine million, four hundred twenty thousand, seven hundred forty-three".

Divisors: 1 3 397 1191 91873 275619 36473581 109420743