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109474369 = 104632
BaseRepresentation
bin1101000011001…
…11001001000001
321121222212121021
412201213021001
5211011134434
614510225441
72466342154
oct641471101
9247885537
10109474369
1156882794
12307b5281
13198b0044
1410779c9b
159926cb4
hex6867241

109474369 has 3 divisors (see below), whose sum is σ = 109484833. Its totient is φ = 109463906.

The previous prime is 109474367. The next prime is 109474433. The reversal of 109474369 is 963474901.

The square root of 109474369 is 10463.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 963474901 = 3173039353.

It is not a de Polignac number, because 109474369 - 21 = 109474367 is a prime.

It is a super-2 number, since 2×1094743692 = 23969274935896322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109474367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5232 + ... + 15694.

Almost surely, 2109474369 is an apocalyptic number.

109474369 is the 10463-rd square number.

109474369 is the 5232-nd centered octagonal number.

It is an amenable number.

109474369 is a deficient number, since it is larger than the sum of its proper divisors (10464).

109474369 is an frugal number, since it uses more digits than its factorization.

109474369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20926 (or 10463 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The cubic root of 109474369 is about 478.3775793291.

The spelling of 109474369 in words is "one hundred nine million, four hundred seventy-four thousand, three hundred sixty-nine".

Divisors: 1 10463 109474369