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109490739 = 353688621
BaseRepresentation
bin1101000011010…
…11001000110011
321122000201001120
412201223020303
5211012200424
614510433323
72466440661
oct641531063
9248021046
10109490739
1156894016
1230802843
13198b7627
1410781c31
15992ba79
hex686b233

109490739 has 8 divisors (see below), whose sum is σ = 148742352. Its totient is φ = 71616480.

The previous prime is 109490699. The next prime is 109490753. The reversal of 109490739 is 937094901.

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

It is not a de Polignac number, because 109490739 - 220 = 108442163 is a prime.

It is a super-2 number, since 2×1094907392 = 23976443853532242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 109490739.

It is not an unprimeable number, because it can be changed into a prime (109490239) 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, 344152 + ... + 344469.

It is an arithmetic number, because the mean of its divisors is an integer number (18592794).

Almost surely, 2109490739 is an apocalyptic number.

109490739 is a deficient number, since it is larger than the sum of its proper divisors (39251613).

109490739 is an equidigital number, since it uses as much as digits as its factorization.

109490739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688677.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 109490739 is about 10463.7822511748. The cubic root of 109490739 is about 478.4014225074.

The spelling of 109490739 in words is "one hundred nine million, four hundred ninety thousand, seven hundred thirty-nine".

Divisors: 1 3 53 159 688621 2065863 36496913 109490739