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15342394 = 227128307
BaseRepresentation
bin111010100001…
…101100111010
31001212110210211
4322201230322
512411424034
61304501334
7244260004
oct72415472
931773724
1015342394
118729a71
12517a84a
133242452
142075374
151530d64
hexea1b3a

15342394 has 8 divisors (see below), whose sum is σ = 23099328. Its totient is φ = 7642620.

The previous prime is 15342391. The next prime is 15342401. The reversal of 15342394 is 49324351.

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

It is not an unprimeable number, because it can be changed into a prime (15342391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13612 + ... + 14695.

It is an arithmetic number, because the mean of its divisors is an integer number (2887416).

Almost surely, 215342394 is an apocalyptic number.

15342394 is a deficient number, since it is larger than the sum of its proper divisors (7756934).

15342394 is a wasteful number, since it uses less digits than its factorization.

15342394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28580.

The product of its digits is 12960, while the sum is 31.

The square root of 15342394 is about 3916.9368133785. The cubic root of 15342394 is about 248.4835885830.

The spelling of 15342394 in words is "fifteen million, three hundred forty-two thousand, three hundred ninety-four".

Divisors: 1 2 271 542 28307 56614 7671197 15342394