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15050053 = 79190507
BaseRepresentation
bin111001011010…
…010101000101
31001022121210101
4321122111011
512323100203
61254324101
7241631464
oct71322505
931277711
1015050053
11854a367
125059631
13316c375
141dda9db
1514c441d
hexe5a545

15050053 has 4 divisors (see below), whose sum is σ = 15240640. Its totient is φ = 14859468.

The previous prime is 15050041. The next prime is 15050059. The reversal of 15050053 is 35005051.

15050053 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: 35005051 = 38391397.

It is a cyclic number.

It is not a de Polignac number, because 15050053 - 213 = 15041861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15050053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15050059) 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, 95175 + ... + 95332.

It is an arithmetic number, because the mean of its divisors is an integer number (3810160).

Almost surely, 215050053 is an apocalyptic number.

It is an amenable number.

15050053 is a deficient number, since it is larger than the sum of its proper divisors (190587).

15050053 is an equidigital number, since it uses as much as digits as its factorization.

15050053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190586.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 15050053 is about 3879.4397791434. The cubic root of 15050053 is about 246.8952169098.

The spelling of 15050053 in words is "fifteen million, fifty thousand, fifty-three".

Divisors: 1 79 190507 15050053