Search a number
-
+
109301890 = 2510930189
BaseRepresentation
bin1101000001111…
…01000010000010
321121200010000011
412200331002002
5210440130030
614502415134
72465023255
oct640750202
9247603004
10109301890
1156775145
12307314aa
131984c699
141073309c
1598e0b2a
hex683d082

109301890 has 8 divisors (see below), whose sum is σ = 196743420. Its totient is φ = 43720752.

The previous prime is 109301867. The next prime is 109301893. The reversal of 109301890 is 98103901.

It can be written as a sum of positive squares in 2 ways, for example, as 104837121 + 4464769 = 10239^2 + 2113^2 .

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

It is not an unprimeable number, because it can be changed into a prime (109301893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5465085 + ... + 5465104.

Almost surely, 2109301890 is an apocalyptic number.

109301890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109301890 is a deficient number, since it is larger than the sum of its proper divisors (87441530).

109301890 is a wasteful number, since it uses less digits than its factorization.

109301890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930196.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 109301890 is about 10454.7544208365. The cubic root of 109301890 is about 478.1262162100.

The spelling of 109301890 in words is "one hundred nine million, three hundred one thousand, eight hundred ninety".

Divisors: 1 2 5 10 10930189 21860378 54650945 109301890