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15134071 = 81118661
BaseRepresentation
bin111001101110…
…110101110111
31001110220001011
4321232311313
512333242241
61300213051
7242431441
oct71566567
931426034
1015134071
1185a74a7
12509a187
13319b694
14201d491
1514de281
hexe6ed77

15134071 has 4 divisors (see below), whose sum is σ = 15153544. Its totient is φ = 15114600.

The previous prime is 15134059. The next prime is 15134083. The reversal of 15134071 is 17043151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17043151 = 25167901.

It is an interprime number because it is at equal distance from previous prime (15134059) and next prime (15134083).

It is a cyclic number.

It is not a de Polignac number, because 15134071 - 213 = 15125879 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 (15134011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8520 + ... + 10141.

It is an arithmetic number, because the mean of its divisors is an integer number (3788386).

Almost surely, 215134071 is an apocalyptic number.

15134071 is a deficient number, since it is larger than the sum of its proper divisors (19473).

15134071 is an equidigital number, since it uses as much as digits as its factorization.

15134071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19472.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 15134071 is about 3890.2533336532. The cubic root of 15134071 is about 247.3538013558.

The spelling of 15134071 in words is "fifteen million, one hundred thirty-four thousand, seventy-one".

Divisors: 1 811 18661 15134071