Search a number
-
+
103610989 = 3710726171
BaseRepresentation
bin1100010110011…
…11101001101101
321012221222120001
412023033221231
5203011022424
614140424301
72365451566
oct613175155
9235858501
10103610989
1153538519
122a848091
13186092a1
14da9116d
159169844
hex62cfa6d

103610989 has 8 divisors (see below), whose sum is σ = 107409888. Its totient is φ = 99864720.

The previous prime is 103610963. The next prime is 103610993. The reversal of 103610989 is 989016301.

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

It is a cyclic number.

It is not a de Polignac number, because 103610989 - 25 = 103610957 is a prime.

It is a super-3 number, since 3×1036109893 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103610489) 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, 9127 + ... + 17044.

It is an arithmetic number, because the mean of its divisors is an integer number (13426236).

Almost surely, 2103610989 is an apocalyptic number.

It is an amenable number.

103610989 is a deficient number, since it is larger than the sum of its proper divisors (3798899).

103610989 is a wasteful number, since it uses less digits than its factorization.

103610989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26315.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 103610989 is about 10178.9483248516. The cubic root of 103610989 is about 469.6798619650.

The spelling of 103610989 in words is "one hundred three million, six hundred ten thousand, nine hundred eighty-nine".

Divisors: 1 37 107 3959 26171 968327 2800297 103610989