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8342705 = 57238363
BaseRepresentation
bin11111110100110010110001
3120200212001002
4133310302301
54113431310
6454451345
7130624520
oct37646261
916625032
108342705
114788aa8
122963b55
131961417
1411724b7
15aebda5
hex7f4cb1

8342705 has 8 divisors (see below), whose sum is σ = 11441472. Its totient is φ = 5720688.

The previous prime is 8342693. The next prime is 8342759. The reversal of 8342705 is 5072438.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8342705 - 218 = 8080561 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 85 + 37 + 48 + 219 + 78 + 0 + 59 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119147 + ... + 119216.

It is an arithmetic number, because the mean of its divisors is an integer number (1430184).

Almost surely, 28342705 is an apocalyptic number.

It is an amenable number.

8342705 is a deficient number, since it is larger than the sum of its proper divisors (3098767).

8342705 is a wasteful number, since it uses less digits than its factorization.

8342705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238375.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 8342705 is about 2888.3741101180. The cubic root of 8342705 is about 202.8160385398.

The spelling of 8342705 in words is "eight million, three hundred forty-two thousand, seven hundred five".

Divisors: 1 5 7 35 238363 1191815 1668541 8342705