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15242054 = 223331349
BaseRepresentation
bin111010001001…
…001101000110
31001200101011112
4322021031012
512400221204
61302405022
7243361322
oct72111506
931611145
1015242054
118670643
125130772
133208889
14204a982
15151126e
hexe89346

15242054 has 8 divisors (see below), whose sum is σ = 23857200. Its totient is φ = 7289656.

The previous prime is 15242041. The next prime is 15242083. The reversal of 15242054 is 45024251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 165629 + ... + 165720.

It is an arithmetic number, because the mean of its divisors is an integer number (2982150).

Almost surely, 215242054 is an apocalyptic number.

15242054 is a deficient number, since it is larger than the sum of its proper divisors (8615146).

15242054 is a wasteful number, since it uses less digits than its factorization.

15242054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331374.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 15242054 is about 3904.1073243445. The cubic root of 15242054 is about 247.9407051270.

The spelling of 15242054 in words is "fifteen million, two hundred forty-two thousand, fifty-four".

Divisors: 1 2 23 46 331349 662698 7621027 15242054