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15244097 = 111385827
BaseRepresentation
bin111010001001…
…101101000001
31001200110222012
4322021231001
512400302342
61302422305
7243400301
oct72115501
931613865
1015244097
118672130
125131995
13320979b
14204b601
151511b82
hexe89b41

15244097 has 4 divisors (see below), whose sum is σ = 16629936. Its totient is φ = 13858260.

The previous prime is 15244093. The next prime is 15244133. The reversal of 15244097 is 79044251.

It is a happy number.

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 15244097 - 22 = 15244093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15244093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692903 + ... + 692924.

It is an arithmetic number, because the mean of its divisors is an integer number (4157484).

Almost surely, 215244097 is an apocalyptic number.

It is an amenable number.

15244097 is a deficient number, since it is larger than the sum of its proper divisors (1385839).

15244097 is a wasteful number, since it uses less digits than its factorization.

15244097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385838.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 15244097 is about 3904.3689630976. The cubic root of 15244097 is about 247.9517823792.

The spelling of 15244097 in words is "fifteen million, two hundred forty-four thousand, ninety-seven".

Divisors: 1 11 1385827 15244097