Search a number
-
+
104638816 = 253269963
BaseRepresentation
bin1100011110010…
…10100101100000
321021220012110201
412033022211200
5203241420231
614214434544
72410262302
oct617124540
9237805421
10104638816
115407a767
122b062a54
13188a9079
14dc7b972
1592be161
hex63ca960

104638816 has 12 divisors (see below), whose sum is σ = 206007732. Its totient is φ = 52319392.

The previous prime is 104638811. The next prime is 104638817. The reversal of 104638816 is 618836401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104638811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634950 + ... + 1635013.

It is an arithmetic number, because the mean of its divisors is an integer number (17167311).

Almost surely, 2104638816 is an apocalyptic number.

104638816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

104638816 is a deficient number, since it is larger than the sum of its proper divisors (101368916).

104638816 is an equidigital number, since it uses as much as digits as its factorization.

104638816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269973 (or 3269965 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 104638816 is about 10229.3116092922. The cubic root of 104638816 is about 471.2278383150.

The spelling of 104638816 in words is "one hundred four million, six hundred thirty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 3269963 6539926 13079852 26159704 52319408 104638816