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15104073 = 35034691
BaseRepresentation
bin111001100111…
…100001001001
31001102100220010
4321213201021
512331312243
61255422133
7242245125
oct71474111
931370803
1015104073
118586a06
125084949
13318ab2a
142012585
1514d5433
hexe67849

15104073 has 4 divisors (see below), whose sum is σ = 20138768. Its totient is φ = 10069380.

The previous prime is 15104053. The next prime is 15104087. The reversal of 15104073 is 37040151.

15104073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37040151 = 312346717.

It is not a de Polignac number, because 15104073 - 26 = 15104009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15104053) 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, 2517343 + ... + 2517348.

It is an arithmetic number, because the mean of its divisors is an integer number (5034692).

Almost surely, 215104073 is an apocalyptic number.

It is an amenable number.

15104073 is a deficient number, since it is larger than the sum of its proper divisors (5034695).

15104073 is an equidigital number, since it uses as much as digits as its factorization.

15104073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034694.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 15104073 is about 3886.3958882234. The cubic root of 15104073 is about 247.1902624698.

The spelling of 15104073 in words is "fifteen million, one hundred four thousand, seventy-three".

Divisors: 1 3 5034691 15104073