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103813501 = 119437591
BaseRepresentation
bin1100011000000…
…01000101111101
321020100021100111
412030001011331
5203034013001
614145030021
72400254161
oct614010575
9236307314
10103813501
1153666690
122a925311
131867a50c
14db04ca1
1591a9851
hex630117d

103813501 has 4 divisors (see below), whose sum is σ = 113251104. Its totient is φ = 94375900.

The previous prime is 103813499. The next prime is 103813529. The reversal of 103813501 is 105318301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103813501 - 21 = 103813499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103813001) 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, 4718785 + ... + 4718806.

It is an arithmetic number, because the mean of its divisors is an integer number (28312776).

Almost surely, 2103813501 is an apocalyptic number.

103813501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103813501 is a deficient number, since it is larger than the sum of its proper divisors (9437603).

103813501 is an equidigital number, since it uses as much as digits as its factorization.

103813501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437602.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 103813501 is about 10188.8910584028. The cubic root of 103813501 is about 469.9856657768.

It can be divided in two parts, 103 and 813501, that added together give a square (813604 = 9022).

The spelling of 103813501 in words is "one hundred three million, eight hundred thirteen thousand, five hundred one".

Divisors: 1 11 9437591 103813501