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108403481 = 313346337
BaseRepresentation
bin1100111011000…
…01101100011001
321112222110121202
412131201230121
5210222402411
614431243545
72454262064
oct635415431
9245873552
10108403481
115621115a
12303795b5
13195c6794
141057b8db
1597b483b
hex6761b19

108403481 has 4 divisors (see below), whose sum is σ = 108750132. Its totient is φ = 108056832.

The previous prime is 108403457. The next prime is 108403489. The reversal of 108403481 is 184304801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184304801 = 1031789367.

It can be written as a sum of positive squares in 2 ways, for example, as 25593481 + 82810000 = 5059^2 + 9100^2 .

It is a cyclic number.

It is not a de Polignac number, because 108403481 - 218 = 108141337 is a prime.

It is a super-2 number, since 2×1084034812 = 23502629385834722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108403489) 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, 172856 + ... + 173481.

It is an arithmetic number, because the mean of its divisors is an integer number (27187533).

Almost surely, 2108403481 is an apocalyptic number.

It is an amenable number.

108403481 is a deficient number, since it is larger than the sum of its proper divisors (346651).

108403481 is an equidigital number, since it uses as much as digits as its factorization.

108403481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346650.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 108403481 is about 10411.6992369161. The cubic root of 108403481 is about 476.8126213407.

The spelling of 108403481 in words is "one hundred eight million, four hundred three thousand, four hundred eighty-one".

Divisors: 1 313 346337 108403481